Annual 4th of July celebration at the lakefront 
"The Next America!" 
Location of Columbia, Maryland
|Founded||June 21, 1967 |
|Founded by||James Rouse|
|• Total||32.2 sq mi (83.4 km2)|
|• Land||31.9 sq mi (82.7 km2)|
|• Water||0.3 sq mi (0.7 km2)|
|Elevation||407 ft (124 m)|
| • Estimate |
|• Density||3,120/sq mi (1,204.7/km2)|
|The CDP includes areas not part of Columbia proper as defined by the Columbia Association.|
|Time zone||UTC−5 ( Eastern (EST))|
|• Summer ( DST)||UTC−4 (EDT)|
|Area codes||410, 443, 301|
|GNIS feature ID||0590002|
|Highways||I-95, US 29, MD 32, MD 100, MD 108, MD 175|
Columbia is a census-designated place in Howard County, Maryland, United States, and is one of the principal cities of the Baltimore metropolitan area and the Washington metropolitan area. It is a planned community consisting of 10 self-contained villages. It began with the idea that a city could enhance its residents' quality of life. Creator and developer James W. Rouse saw the new community in terms of human values, rather than merely economics and engineering. Opened in 1967, Columbia was intended to not only eliminate the inconveniences of then-current subdivision design, but also eliminate racial, religious and class segregation. [ citation needed]
Columbia proper consists only of that territory governed by the Columbia Association, but larger areas are included under its name by the U.S. Postal Service and the Census Bureau. These include several other communities which predate Columbia, including Simpsonville, Atholton, and in the case of the census, part of Clarksville. The census-designated place had a population of 99,615 at the 2010 United States Census.  It is the second most populous community in Maryland after Baltimore.  More recent estimates by the U.S. Census Bureau's American Community Survey put the population at approximately 103,467 as of 2015. 
- 1 History
- 2 Rankings
- 3 Geography
- 4 Culture
- 5 Economy
- 6 Demographics
- 7 Education and libraries
- 8 Transportation
- 9 Infrastructure
- 10 Climate
- 11 Sister cities
- 12 Related cities
- 13 Notable people
- 14 References
- 15 Further reading
- 16 External links
Columbia was founded by James W. Rouse (1914-1996), a native of Easton, Maryland. In 1935, Rouse obtained a job in Baltimore with the Federal Housing Administration, a New Deal agency whose purpose was to promote home ownership and home construction. This position exposed Rouse to all phases of the housing industry.  Later in the 1930s he co-founded a Baltimore mortgage banking business. In the 1950s his company, by then known as James W. Rouse and Company, branched out into developing shopping centers and malls. In 1957 Rouse formed Community Research and Development, Inc. (CRD) for the purpose of building, owning and operating shopping centers throughout the country. Community Research and Development, Inc., which was managed by James W. Rouse and Company, became a publicly traded company in 1961. In 1966, Community Research and Development, Inc. changed its name to The Rouse Company, after it had acquired James W. Rouse and Company in exchange for company stock.  
By the early 1950s Rouse was also active in organizations whose goals were to combat blight and promote urban renewal. Along the way, he came to recognize the importance of comprehensive planning and action to address housing issues. A talented public speaker, Rouse's speeches on housing matters attracted media attention. By the mid-1950s he was espousing his belief that in order to be successful, cities had to be places where people succeeded. In a 1959 speech he declared that the purpose of cities is for people, and that the objective of city planning should be to make a city into neighborhoods where men, women and their families can live and work, and, most importantly, grow in character, personality, religious fulfillment, brotherhood, and the capacity for joyous living.[ citation needed]
In the early 1960s, Rouse decided to develop a new model city. Rouse's ideas about what a new model city should be like were informed by a number of factors, including his personal Christian faith as well as the goal for his company to earn a profit, influences that he did not consider to be incompatible with one another.[ citation needed]
After exploring possible new city locations near Atlanta, Georgia, and Raleigh-Durham, North Carolina, Rouse focused attention between Baltimore and Washington, D.C. in Howard County, Maryland.[ citation needed]
In April 1962, Mel Berman, a longtime Howard County resident who was also a member of the CRD's Board of Directors, saw a sign on Cedar Lane in Howard County advertising 1,309 acres (530 ha) for sale. Berman reported the option to the CRD and a decision was made to purchase the land. This was the first of 165 land purchases made by Rouse over the next year-and-a-half. In order to keep land costs low, Jack Jones, an attorney from Rouse's firm of Piper Marbury, set up a grid system to secretly buy land through dummy corporations like the "Alaska Iron Mines Company".   Some of these straw purchasers included Columbia Industrial Development Corporation, 95-32 Corporation, 95-216 Corporation, Premble, Inc., Columbia Mall, Inc., Oakland Ridge Industrial Development Corporation, and Columbia Development Corporation. Robert Moxley's firm Security Realty Company (now Security Development Group Inc),  negotiated many of the land deals for Jones, becoming his best client.  :57  CRD accumulated 14,178 acres (57.38 km2), 10 percent of Howard County, from 140 separate owners. Rouse was turned down in financing from David Rockefeller, who had recently cancelled a planned Rouse "Village" concept called Pocantico Hills. :58 The $19,122,622 acquisition was then funded by Rouse's former employer Connecticut General Life Insurance in October 1962 at an average price of $1,500 per acre ($0.37/m²). The town center land of Oakland Manor was purchased from Isadore Guldesky who was turned down from building high-rises on the site by Rob Moxley's brother, County Commissioner and land developer Norman E. Moxley. Sensing that he had a key property, he requested $5 million for his 1,000 acres (400 ha), signing an agreement by hand on a land plat.  The competition between Rouse and Guldesky carried over to the competing Tysons Corner Center and Tysons Galleria projects, with each hiring their competitor's employees. 
By late 1962, citizens had elected an all- Republican three-member council. J. Hubert Black, Charles E. Miller, and David W. Force campaigned on a slow-growth ballot, but later approved the Columbia project.  The Howard County Planning Commission Chairman Wilmer Sanner declared, "if this adds to the orderly development of the county, that's what we are looking for." :56 That July, Sanner sold the majority of his 73-acre (30 ha) Simpsonville farm to Howard Research prior to the public announcement.  In October 1963, the acquisition was revealed to the residents of Howard County, putting to rest rumors about the mysterious purchases. These had included theories that the site was to become a medical research laboratory or a giant compost heap. Despite the moniker of being a "planned city", the planning for the city occupied Rouse officials for most of 1964 after the announcement while marketing director Scott Ditch was brought from Baltimore's Cross Keys development to promote the project to community groups. :56 
In December 1964 the zoning was rejected by planning director Tom Harris Jr. for handing nearly all planning control to the developer. A media push was instituted to approve the zoning by Dorris Thompson of The Howard County Times, Seymour Barondes of the Howard County Civic Association, and Anita Iribe of the League of Women Voters. :64 In June 1965 zoning was approved for the project, and Howard Research and Development entered into a $37.5 million construction deed backed by the property.   Development was temporarily stalled in October 1965 when James and Anna Hepding of Simpsonville sued the planning board, stating New Town zoning was a form of spot zoning benefiting a sole property owner. The case was dropped when developer Homer Gudelsky purchased the estate.  Ten years later, former Councilman Charles E. Miller stated that if he could do it over again, he wouldn't have voted to approve Columbia. He felt exploited and felt the subsidized housing would become a problem for the rest of the county.  Miller had been defeated in the November 1974 Howard County Council elections, in part as a result of the changed political landscape that Columbia's development brought. In early 1976, a Columbia Flier editorial charged that Miller was a fear-mongering reactionary who had a personal vendetta against Columbia, Rouse and Columbia residents. 
At the unveiling on June 21, 1967, James Rouse described Columbia as a planned new city which would avoid the leap-frog and spot development threatening the county. The new city would be complete with jobs, schools, shopping, and medical services, and a range of housing choices. Property taxes from commercial development would cover the additional services with which housing would burden the county. The urban planning process for Columbia included not only planners, but also a convened panel of nationally recognized experts in the social sciences, known as the Work Group. The fourteen member group of white men and one woman, Antonia Handler Chayes, met for two days, twice a month, for half a year starting in 1963. :68 The Work Group suggested innovations for planners in education, recreation, religion, and health care, as well as ways of improving social interactions. Columbia's open classrooms, interfaith centers, and the then-novel idea of a health maintenance organization (HMO) with a group practice of medical doctors (the Columbia Medical Plan) sprung from these meetings. The community's physical plan, with neighborhood and village centers, was also decided. Columbia's "New Town District" zoning ordinance gave developers great flexibility about what to put where, without requiring county approval for each specific project.[ citation needed]
In 1968, vice-presidential candidate Spiro Agnew referenced Columbia to reporters, saying, "Government should act as a catalyst to encourage the local governments to encourage industry and business to move next to a planned community," and "I want to lessen the density in the ghettos, and concurrently rebuild the ghetto areas."  In 1969, County Executive Omar J. Jones felt that the increase in tax base was lagging behind the need for infrastructure as the operating budget doubled to $15 million in three years.  Crime rates shot up around the county by 30-50% a year, with hot spots around the development.   By 1970, the project required additional financing to continue, borrowing $30 million from Connecticut General, Manufacturers Hanover Trust, and Morgan Guaranty. In 1972, amendments to New Town zoning proposing to place a maximum height for buildings and maintain the original density limit of 2.2 units per acre were opposed by Rouse allies including the Columbia Association, the Ellicott City Businessman's Association and the Columbia Democratic Club.  By 1974, the amount owed reached $100,000 million,[ dubious ] prompting partner Connecticut General to consider bankruptcy. An effort to create a special taxing district in 1978 and an effort to incorporate with a mayor in 1979 failed.  In 1985 Cigna (Connecticut General) divested itself of the project for $120 million. By 1990 Howard Research and Development owed $125,162,689. >  In 2004 the project was sold to General Growth Properties, which went bankrupt in 2008. General Growth Properties submitted a plan for increasing density throughout Columbia in 2004 which was unanimously voted down.  Ownership of the project fell to the previous Rouse subsidiary the Howard Hughes Corporation. Howard Hughes submitted a new plan to increase density in 2010 under the Ulman administration that passed unanimously.[ citation needed]
Columbia has never incorporated; some governance, however, is provided by the non-profit Columbia Association, which manages common areas and functions as a homeowner association with regard to private property. The first boards were filled entirely with Rouse Company appointees.  The first manager of the Columbia Association was John Estabrook Slayton (d. 1967). For Slayton's contributions to the early planning of Columbia, the community center in the Wilde Lake village, Slayton House, was named for him. Wilde Lake was the first village area to be developed in Columbia; accordingly, the town's first high school was Wilde Lake High School, which opened in 1971 as a "model school for the nation". Constructed in the open classroom style, it was razed in 1994 but reconstructed on the same site in 1996.[ citation needed]
To achieve the goals set forth by the Work Group, Columbia's Master Plan called for a series of ten self-contained villages, around which day-to-day life would revolve. The centerpiece of Columbia would be The Mall in Columbia and man-made Lake Kittamaqundi.[ citation needed]
The village concept aimed to provide Columbia a small-town feel (like Easton, Maryland, where James Rouse grew up). Each village comprises several neighborhoods. The village center may contain middle and high schools. All villages have a shopping center, recreational facilities, a community center, a system of bike/walking paths, and homes. Four of the villages have interfaith centers, common worship facilities which are owned and jointly operated by a variety of religious congregations working together.[ citation needed]
Most of Columbia's neighborhoods contain single-family homes, townhomes, condominiums and apartments, though some are more exclusive than others. The original plan, following the neighborhood concept of Clarence Perry, would have had all the children of a neighborhood attend the same school, melding neighborhoods into a community and ensuring that all of Columbia's children get the same high-quality education. Rouse marketed the city as being "color blind" as a proponent of Senator Clark's fair housing legislation. If a neighborhood was filled with too many purchasers of a single race, houses would be blocked until the desired ratio was met. :85
- Village – Neighborhoods (in order of residential opening)
- Wilde Lake – (Est. 1967) Bryant Woods, Faulkner Ridge, Running Brook
- Harper's Choice – Longfellow, Swansfield, Hobbit's Glen
- Oakland Mills – (Est. 1969) Thunder Hill, Talbott Springs, Stevens Forest
- Long Reach – (Est. 1971) Phelps Luck, Jeffers Hill, Locust Park, Kendall Ridge
- Owen Brown – (Est. 1972) Dasher Green, Elkhorn, Hopewell
- Town Center – (Est. 1974) Vantage Point, Banneker, Amesbury, Creighton's Run, and Warfield Triangle
- Hickory Ridge – (Est. 1974) Clemens Crossing, Hawthorn, Clary's Forest
- Kings Contrivance – (Est. 1977) Macgill's Common, Huntington, Dickinson
- Dorsey's Search – (Est. 1980) Dorsey Hall, Fairway Hills
- River Hill – (Est. 1990) Pheasant Ridge, Pointers Run
Columbia takes its street names from famous works of art and literature: for example, the neighborhood of Hobbit's Glen takes its street names from the work of J. R. R. Tolkien; Running Brook, from the poetry of Robert Frost; and Clemens Crossing, from the work of Mark Twain. The book Oh, You Must Live in Columbia! chronicles the artistic, poetic, and historical origins of the street and place names in Columbia. 
"The Downtown Columbia Plan" is a 2010 amendment to the county's General Plan of expansion. It is a framework for the revitalization of Downtown Columbia over the next thirty years. Development plans for downtown projects in the years ahead will include details for that project such as neighborhood design guidelines, environmental restoration, public amenities and infrastructure. These development plans must adhere to the framework of the Downtown Columbia Plan as required by the zoning legislation. Over the life of the Downtown Columbia development project, as much as 13 million square feet of retail, commercial, residential, hotel and cultural development is planned. 
To be accomplished in three phases, the plan calls for the formation of the non-profit Columbia Downtown Housing Corporation to build an additional 5,500 units of low income housing placed downtown in exchange for increased zoning density for other projects.  Additional development includes 4.3 million square feet of commercial office space, 1.25 million square feet of retail space, 640 hotel rooms, Merriweather Post Pavilion redevelopment and a multi-modal transportation system. 
The Downtown Columbia Plan also has sustainability features, including goals for saving water and energy, and for ecology and livability.
Columbia's master developer, the Howard Hughes Corporation, is heading up the expansion project. The project is projected to cost $90 million and will outline development in the community for the next 40 years. 
Two historic buildings in Columbia, Dorsey Hall and Woodlawn, were listed on the National Register of Historic Places in 1973.  Both were once homes of prominent Howard County citizens. Most historic buildings, mills and plantations within Columbia that qualified for the register, such as Oakland Manor,  were not submitted by Rouse company affiliates.
In 2006, Money magazine ranked Columbia (together with Ellicott City, its neighbor to the north) #4 out of the 100 "Best Places to Live" in the United States (among small cities, defined as having populations between 50,000 and 300,000).  In 2008, Columbia and Ellicott City were ranked #8 on this list.  In 2010, Columbia and Ellicott City were ranked #2 on this list.  In 2012 and 2014, Columbia and Ellicott City were ranked, respectively, #8 and #6 on this list.   In 2016, Columbia ranked #1 in the country on this list. (Columbia and Ellicott City were ranked separately in 2016.) 
The center of Columbia is located at United States Census Bureau. The CDP has a total area of 32.2 square miles (83.4 km2), of which 31.9 square miles (82.7 km2) are land and 0.3 square miles (0.7 km2), or 0.80%, are water.  The CDP includes a number of older communities which do not lie within the CA's purview, including the Holiday Hills, Diamondback, and Allview subdivisions and the former town of Simpsonville, as well as some land on the east side of Clarksville. These areas are not part of the "new town", and are not directly served by its amenities. Some of these areas are included in Columbia ZIP codes by the post office, and some are not.. Because it is unincorporated, there is confusion over the exact limits of Columbia. In the strictest definition, Columbia comprises only the land governed under covenants by the Columbia Association. This is a considerably smaller area than the census-designated place (CDP) as defined by the
Columbia is located in central Maryland, 20 miles (32 km) southwest of Baltimore, 25 miles (40 km) northeast of Washington, D.C., and 30 miles (48 km) northwest of Annapolis. The city lies in the Piedmont region of Maryland, with its eastern edge at the fall line. The climate tends to hot, humid summers and cool to cold and wet winters. There are occasional large amounts of snowfall that happen every year.
The primary landforms in Columbia are rolling hills and stream valleys; Columbia's road network is laid out to follow the terrain, with many winding streets and cul-de-sacs. Elevations range from about 200 to 500 feet (61 to 152 m) above sea level. Most of Columbia is drained by the Middle Patuxent and Little Patuxent rivers. There are three artificial lakes, created by damming of tributary streams during city construction. In 1965, the Rouse Company leased 7,000 acres (2,800 ha) of farmland staged for development, and earmarked 4,000 acres (1,600 ha) of oak forest for timber harvesting. The company developed a sapling planter to replant sections of cleared land that would use Columbia's W.R. Grace-developed fertilizers.  An outer ring of greenspace was abandoned early in the project because the combination with the already required river buffers would have reduced profitable land available for building. :76 Along with Symphony Woods, many other stands of mature trees have been temporarily maintained in Columbia, including the large Middle Patuxent Environmental Area in the western part of the city between Harper's Choice and River Hill villages, protecting much of the river valley from development.
Rouse believed that individual churches were a waste of developable land.[ citation needed] Dr. Stanley Hallet advised the 1964 work group to economically abandon "The extravagance of church life" in favor of ecumenical establishments that focused resources on retreat centers and non-profit religious corporations.  The Rouse Company discouraged individual congregations from purchasing land from the company.[ citation needed] In 1966 the Columbia Religious Facilities Corporation was founded to lease interfaith centers to congregations.   On June 22, 1969, $2.5 million in church donations applied to the CFRC to purchase Columbia land and build an interfaith facility in the village of Wilde Lake. The organization formed the Interfaith Housing Corporation (now the Columbia Housing Corporation) to purchase 300 units of low and moderate income housing in the development with Federal Housing Authority funding. :97 
Recreation has always been an important part of the Columbia concept.[ citation needed] The homeowners association, the Columbia Association, known to many in Howard County as "CA", builds, operates and maintains most of these facilities. CA operates a variety of recreational facilities, including 23 outdoor swimming pools, six indoor pools, two water slides, ice and roller skating rinks, an equestrian center, a sports park with miniature golf, a skateboard park, batting cages, picnic pavilions, clubhouse and playground, three athletic clubs including the 24/7 Supreme Sports Club, numerous indoor and outdoor tennis, basketball, volleyball, squash and racquetball courts, and running tracks. In February 2006 LifeTime Fitness (a Minnesota company) opened a 24/7 health club at the edge of the Columbia Gateway industrial park. This facility includes one outdoor and two indoor pools (with water slides), racquetball courts, basketball courts, fitness equipment, and pilates and yoga facilities.
There are three lakes ( Lake Kittamaqundi, Lake Elkhorn, and Wilde Lake) surrounded by parkland for sailing, fishing, and boating; 80 miles (130 km) of paths for jogging, strolling and biking; and 148 tot lots and play areas.
Nine village centers, 15 neighborhood centers, and four senior centers provide space for a large variety of community activities. There are a variety of fairs and celebrations throughout the year, including entertainment on the lakefront of Lake Kittamaqundi during the summer and the Columbia Festival of the Arts.
Columbia also has garden plots for rent, under the guidance of the Columbia Gardeners, which has been in existence since the 1970s. There are about 350 garden plots at three sites in Columbia, with each garden rented for a nominal fee (currently $30 per year). 
The Rev3 Triathlon is held every October in Columbia. It is a major national event, both half iron and full ironman distances.
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In the absence of nightclubs, Columbia relies on local bars to bring in bands. Clyde's (near the Columbia Mall, on Lake Kittamaqundi), Sonoma's (in Owen Brown), and Nottingham's Tavern and The Green Turtle (near Dobbin Center) regularly bring in groups to perform.
Merriweather Post Pavilion, a well-known outdoor concert venue, attracts many prominent performers. In addition, there are several performing arts organizations that present professional theater, including Toby's Dinner Theatre, Columbia Center for Theatrical Arts and the Young Columbians which have produced the area premieres of several musicals.
Columbia also offers chamber music concerts, children's programs, community outreach programs, master classes, and pre-concert lectures and discussions through the Candlelight Concert Society, a non-profit organization formed by Columbia residents to provide chamber music concerts since 1972. 
The Mall in Columbia, located in Town Center, is a large regional shopping mall with four anchor department stores ( Nordstrom, Lord & Taylor, Macy's, and JCPenney), a multiplex movie theater, and more than 200 stores and restaurants.
There are several other major competing shopping centers in East Columbia, including Dobbin Center strip mall opened in 1983, Snowden Square big box retail on the remainder of the GE industrial site, Columbia Crossing I and II big box retail started in 1997, and Gateway Overlook. :142
Columbia's nine "village centers" provide residents with nearby shopping as well, often including supermarkets, gas stations, liquor stores, dry cleaners, restaurants, and hair salons. The village centers are laid out so that individual stores are not visible from the road, unlike traditional strip malls. The arrangement is criticized because it makes it difficult for newcomers and non-residents to know what shopping is available; it is praised for eliminating much of the garishness of roadside America.[ citation needed]
The village centers have evolved over time. The Oakland Mills Village Center had a traditional Village Center layout—stores located off a central corridor—until its demolition in the late 1990s. It has since been replaced with a more traditional strip mall managed by Cedar Realty Trust. The Rouse Company abandoned the village center concept in 2002, selling off the assets to Kimco Realty for $120 million.  The Kings Contrivance Village Center underwent major construction in 2007 and 2008 when a new Harris Teeter supermarket was added to the center, but maintained the original character of stores around a central corridor and plaza. Owen Brown village center is now managed by GFS Realty, and the Long Reach Village center was declared blighted and purchased by Howard County for resale in 2014. 
James Rouse conceived of a city, not a suburban bedroom community, and a large area on the eastern edge was allocated for industrial purposes. The centerpiece of this aspect of the development was a General Electric appliance plant on a 1,125-acre (4.55 km2) site previously operated as a cattle farm.   After an injunction attempt was blocked in 1969, the plant began operations in 1972, peaking at 2,300 of the predicted 12,000 jobs. It was closed in 1990, with all but 21 acres (85,000 m2) of the property being sold back to Howard Research and Development. :141 One section of the property was subsequently redeveloped for big box retail; the remainder became the large Gateway Commerce office complex, still being expanded.  In 1968, Bendix Field Engineering moved to a new 143,000-square-foot (13,300 m2) facility on the historic Woodlawn Plantation where it was used for engineering activity. Howard County purchased the vacant facility creating the Maryland Center for Entrepreneurship in 2011, which relocated to the vacant Patuxent Publishing building in 2014.   There is still a smaller industrial area to the south of this, but by and large East Columbia is dominated by commercial real estate—office, retail, and wholesale—in contrast to the original plan, which saw the Town Center area as the commercial center of Columbia. 
The U.S. federal government is the source of many jobs for Columbians. Several large U.S. Department of Defense installations and R&D facilities surround Columbia, the largest being the National Security Agency at Fort George G. Meade, and the Applied Physics Laboratory south of Columbia, both pre-dating the establishment of Columbia. Companies which have had research facilities in the area include W.R. Grace and Company and Westvaco. Further afield, many Columbians commute to government and government contractor jobs in the Baltimore and Washington, D.C. area.[ citation needed]
Companies based in Columbia include W.R. Grace and Company,   Sourcefire, PetMeds, MICROS Systems, Martek Biosciences, Integral Systems, Corporate Office Properties Trust, and the consumer research company Arbitron.[ citation needed] When MaggieMoo's was an independent company, its headquarters was in Columbia.  
NOTE: The CDP includes considerable areas which are not part of the planned community.
|Race||Population||% of Total|
|Two or More Races||4,424||4|
|Three or more races||465||< 1%|
|American Indian||393||< 1%|
The 2009-2013 census estimates report the median income for a household in the CDP was $99,877. The per capita income for the CDP was $46,374. About 4.1% of families and 6.6% of the population were below the poverty line, including 8.8% of those under age 18 and 6.4% of those age 65 or over. 
As of the census  of 2000, there were 88,254 people, 34,199 households, and 23,118 families residing in the CDP. The population density was 3,202.0 people per square mile (1,236.4/km²). There were 35,281 housing units at an average density of 1,280.0 per square mile (494.3/km²). The racial makeup of the CDP was 66.52% White, 21.47% Black or African American, 0.26% Native American, 7.30% Asian, 0.05% Pacific Islander, 1.63% from other races, and 2.76% from two or more races. 4.12% of the population were Hispanic or Latino of any race. 14% of Columbia's residents were German, 11% Irish, 10% English, 5% Italian, 4% Polish, 2% Russian, 2% Scottish, 2% Indian, 2% Chinese, 2% Korean, 2% Sub-Saharan African, 2% French, and 2% West Indian. 
There were 34,199 households out of which 35.9% had children under the age of 18 living with them, 53.4% were married couples living together, 11.2% had a female householder with no husband present, and 32.4% were non-families. 25.6% of all households were made up of individuals and 5.1% had someone living alone who was 65 years of age or older. The average household size was 2.54 and the average family size was 3.09.
In the CDP, the population was spread out with 26.3% under the age of 18, 6.7% from 18 to 24, 34.1% from 25 to 44, 25.5% from 45 to 64, and 7.5% who were 65 years of age or older. The median age was 36 years. For every 100 females, there were 93.1 males. For every 100 females age 18 and over, there were 88.7 males.
- Atholton 
- Hammond 
- Howard 
- Long Reach 
- Oakland Mills 
- River Hill 
- Wilde Lake 
Most of these schools also serve students from outside Columbia, as is also the case with some middle and elementary schools.
There are no conventional four-year colleges or universities in Columbia, but several other college-level programs have facilities there. Howard Community College is located near the town center, while the University of Phoenix, American Career Institute, Lincoln College of Technology, Loyola University Maryland, University of Maryland, Baltimore County, Maryland University of Integrative Health, and Johns Hopkins University have facilities on the east side of town at Columbia Gateway Business Park.
In 1966, Howard Community College (HCC) was founded by the Board of Education in Howard County and formally authorized by the Howard County Commissioners Charles E. Miller, J. Hubert Black, and David W. Force. In addition to its original campus in Columbia, it now has satellite campuses in Mount Airy, Laurel, and East Columbia, in the Columbia Gateway Business Park.
Howard County Public Library is consistently top rated among the nation's public library systems according to Hennen's American Public Library Ratings (HAPLR).  Two of the six branches of the Howard County public library system are in Columbia, including the Central Branch in Town Center and the East Columbia Branch in Owen Brown.
Columbia's initial plan called for a minibus system connecting the village centers on a distinct right-of-way that allowed denser development along the route.  The routes were not constructed, though minibuses were operated by the Columbia Association under the name "ColumBus". These were eventually taken over by Howard County. Six Howard Transit bus routes now serve Columbia and connect it with its neighboring areas (such as Ellicott City and BWI Airport), while several Maryland Transit Administration (MTA) routes provide access to and from both Washington and Baltimore. MTA weekday commuter bus service connects Columbia to the Washington Metro system. There are no rail stations within Columbia, although the Dorsey MARC Train station is served by Howard Transit buses.
The Regional Transportation Agency of Central Maryland provides local bus service as well as the Washington Metropolitan Area Transit Authority and Maryland Transit Administration. RTA Bus Routes include: 401, 402, 403, 404, 405, 406, 407, 408, 501, and 503.
- U.S. Route 29 Columbia Pike, runs north-south connecting Columbia to Ellicott City and Washington, D.C.
- Interstate 95, runs north-south connecting Columbia to Baltimore and Washington, D.C.
- MD 32 Patuxent Freeway, runs east-west connecting Columbia to Sykesville and Annapolis.
- MD 100 Paul T. Pitcher Memorial Highway, runs east from U.S. Route 29 connecting Columbia to Glen Burnie.
- MD 175 Rouse Parkway, a central artery that runs east-west from the Town Center to Jessup.
- MD 108 Clarksville Pike-Waterloo Road,forms the northern boundary of the city by running east-west from Clarksville to Ellicott City.
Medical care is available at Howard County General Hospital, affiliated with Baltimore's Johns Hopkins Hospital. The Columbia Medical Plan was founded in 1967 as a health maintenance organization (HMO) available to citizens of Columbia. :99  In more recent years, however, this plan has divided into separate medical groups that simply share the Twin Knolls buildings. Today, there is a Kaiser Permanente facility located in the Columbia Gateway industrial park. There are also a number of clinics, such as the Righttime Medical Care center and Patient First.
Columbia has a humid subtropical climate, with cool winters and hot, muggy summers.
|Climate data for Columbia, MD|
|Average high °F (°C)||42
|Average low °F (°C)||25
|Average precipitation inches (mm)||3.16
|Source: weather.com |
Columbia is a sister city to the planned cities of Cergy-Pontoise, France, and Tres Cantos, Spain.[ needs update] The Columbia Association International and Multicultural Programs Advisory Committee organizes a summer exchange program for French and Spanish students enrolled in Howard County Public Schools. In 2013, CA announced its new sister city relationship with Tema, a port city in Ghana. The official celebration was marked with a Ghana Fest on November 17, 2013.  An advisory committee planned to sign the official SCI agreement by 2015.[ citation needed] A proposal to add Cap-Haïtien, Haiti, as a sister city is under consideration. 
- Tema, Ghana (2013)
The Rouse Company, now owned by the Howard Hughes Corporation, owns and operates multiple HUD Title VII-New Town planned community developments along with Columbia. These include The Woodlands, Texas, Bridgeland Community, Texas, and Summerlin, Nevada. 
- David Adkins,  actor and playwright
- Stephen Amidon, author, whose 2000 novel, The New City, is set in a fictionalized Columbia in the 1970s
- Bob Beaumont (1932–2011), founder of Citicar, an electric automobile manufacturer from 1974 to 1977 
- Jayson Blair, disgraced former New York Times reporter
- Zach Brown, linebacker for the NFL's Washington Redskins
- Michael Chabon, Pulitzer Prize–winning author
- Dan Charnas, journalist and author of "The Big Payback: The History of the Business of Hip-Hop" 
- Frank Cho, creator of Liberty Meadows comic strip
- George Colligan, New York–based jazz pianist
- Cristeta Comerford, White House executive chef
- D'Monroe, Broadway and Off-Broadway actor
- Jack Douglass, internet personality on YouTube 
- Mary Downing Hahn, award-winning author of young adult literature
- Brent Faiyaz, singer and record producer
- Kevin Frazier, journalist and TV broadcaster
- Gallant, Grammy-nominated singer-songwriter
- Tom Green, ultra-runner 
- Greg Hawkes, keyboardist for new wave band The Cars
- David Hobby, professional photographer and author of the Strobist.com lighting blog
- Stephen Hunter, Pulitzer Prize-winning film critic and author
- Julia Ioffe journalist
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- Steve Lombardozzi, former professional baseball player
- Steve Lombardozzi Jr., professional baseball player
- Suzanne Malveaux, CNN reporter
- Aaron Maybin, defensive end for NFL's New York Jets
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- Peter Salett, Singer-Songwriter
- Christian Siriano, fashion designer, winner of fourth season of Project Runway (born in Columbia)
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|Wikimedia Commons has media related to Columbia, Maryland.|
|Wikivoyage has a travel guide for Columbia (Maryland).|
- Columbia Association, Inc.
- Columbia Archives
- Columbia Maryland
- Stephen Amidon talks to Kojo Nnamdi about growing up in Columbia in the 1970s ( interview)
- "A haven for interracial love amid relentless racism: Columbia turns 50" by DeNeen L. Brown, The Washington Post July 21, 2017
Largest cities or towns in Maryland
2010 U.S. Census populations
|6||Glen Burnie||Anne Arundel||67,639|