|Adams County, Ohio|
Location within the U.S. state of Ohio
Ohio's location within the U.S.
|Founded||July 10, 1797 |
|Named for||John Adams|
|Largest village||West Union|
|• Total||586 sq mi (1,518 km2)|
|• Land||584 sq mi (1,513 km2)|
|• Water||2.4 sq mi (6 km2), 0.4%|
|• ( 2017)||27,726 |
|• Density||49/sq mi (19/km2)|
|Time zone||Eastern: UTC−5/ −4|
Adams County is a county in the U.S. state of Ohio. As of the 2010 census, the population was 28,550.  Its county seat is West Union.  The county is named after John Adams, the second President of the United States. 
- 1 Geography
- 2 Demographics
- 3 Politics
- 4 Government
- 5 Library
- 6 Hospital
- 7 Communities
- 8 Places of interest
- 9 Notable people
- 10 See also
- 11 References
- 12 External links
According to the U.S. Census Bureau, the county has an area of 586 square miles (1,520 km2), of which 584 square miles (1,510 km2) is land and 2.4 square miles (6.2 km2) (0.4%) is water.  It includes many parks and preserves, including one of Ohio's greatest archeological wonders, the Serpent Mound at the Serpent Mound State Memorial in Locust Grove. Serpent Mound lends its name to the Serpent Mound crater, the eroded remnant of a huge ancient meteorite impact crater. Other areas of note include state parks and national forests like Edge of Appalachia, Shawnee State Park, Adams Lake State Park and Robert H. Whipple State Nature Preserve. 
- Highland County (north)
- Pike County (northeast)
- Scioto County (east)
- Lewis County, Kentucky (south)
- Mason County, Kentucky (southwest)
- Brown County (west)
- Adams Lake State Park
- Chaparral Prairie State Nature Preserve
- Davis Memorial State Nature Preserve
- Johnson Ridge State Nature Preserve
- Lynx Prairie
- Shoemaker State Nature Preserve
- Whipple State Nature Preserve
|U.S. Decennial Census
1790-1960  1900-1990 
1990-2000  2010-2017 
As of the census  of 2000, 27,330 people, 10,501 households, and 7,613 families resided in the county. The population density was 47 people per square mile (18/km²). There were 11,822 housing units at an average density of 20 per square mile (8/km²). The racial makeup of the county was 97.77% White, 0.18% Black or African American, 0.68% Native American, 0.12% Asian, 0.03% Pacific Islander, 0.11% from other races, and 1.10% from two or more races. 0.64% of the population were Hispanic or Latino of any race. 38.5% were of American, 19.8% German, 11.7% Irish and 8.9% English ancestry according to Census 2000.
There were 10,501 households out of which 34.00% had children under the age of 18 living with them, 57.10% were married couples living together, 10.40% had a female householder with no husband present, and 27.50% were non-families. 24.00% of all households were made up of individuals and 11.00% had someone living alone who was 65 years of age or older. The average household size was 2.57 and the average family size was 3.03.
In the county, the population was spread out with 26.40% under the age of 18, 8.70% from 18 to 24, 28.20% from 25 to 44, 23.40% from 45 to 64, and 13.30% who were 65 years of age or older. The median age was 36 years. For every 100 females there were 96.10 males. For every 100 females age 18 and over, there were 94.80 males.
The median income for a household in the county was $29,315, and the median income for a family was $34,714. Males had a median income of $30,000 versus $20,433 for females. The per capita income for the county was $14,515. About 12.80% of families and 17.40% of the population were below the poverty line, including 20.30% of those under age 18 and 16.00% of those age 65 or over.
As of the 2010 United States Census, 28,550 people, 11,147 households, and 7,793 families resided in the county.  The population density was 48.9 inhabitants per square mile (18.9/km2). There were 12,978 housing units at an average density of 22.2 per square mile (8.6/km2).  The racial makeup of the county was 97.7% white, 0.4% American Indian, 0.3% black or African American, 0.1% Asian, 0.2% from other races, and 1.3% from two or more races. Those of Hispanic or Latino origin made up 0.9% of the population.  In terms of ancestry, 17.6% were German, 16.5% were American, 15.3% were Irish, and 9.8% were English. 
Of the 11,147 households, 33.5% had children under the age of 18 living with them, 52.2% were married couples living together, 12.1% had a female householder with no husband present, 30.1% were non-families, and 25.9% of all households were made up of individuals. The average household size was 2.53 and the average family size was 3.01. The median age was 39.6 years. 
The median income for a household in the county was $32,791 and the median income for a family was $40,305. Males had a median income of $37,277 versus $25,746 for females. The per capita income for the county was $17,693. About 18.8% of families and 23.0% of the population were below the poverty line, including 30.0% of those under age 18 and 16.8% of those age 65 or over. 
Prior to 1936, Adams County was a swing county in presidential elections, holding bellwether status from 1896 to 1932. From 1936 on, the county has become strongly Republican, only failing to back Republican candidates in 1964 & 1976 since then, which also enabled it gain bellwether status again from 1964 to 1988.
Adams County has a three-member Board of County Commissioners who oversee the various County departments, similar to all but two of the 88 Ohio counties. Adams County's elected commissioners are: Brian Baldridge, Ty Pell, and Theresa Di Ward. 
Adams County is served by the Adams County Regional Medical Center near Seaman. The hospital was previously known as Adams County Hospital, and was in West Union. It was renamed and relocated to Seaman, and is easily accessible from the Appalachian Highway.
- Bacon Flat
- Beasley Fork
- Beaver Pond
- Blue Creek
- Cedar Mills
- Jones Corner
- Locust Grove
- Marble Furnace
- May Hill
- Mineral Springs
- Pine Gap
- Sandy Springs
- Scrub Ridge
- Smoky Corners
- Steam Furnace
- Wheat Ridge
- Great Serpent Mound
- Counterfeit House in the Manchester, OH area, the only home constructed for the purposes of counterfeiting U.S. currency 
- Brushcreek Motorsports Complex 
- Cowboy Copas, (1913-1963), country music singer who died in the plane crash that also killed Patsy Cline and Hawkshaw Hawkins
- John Glasgow Kerr, (1824-1901), born in Adams County, noted physician and medical missionary; founder of the first hospital for the insane in China, at Canton, China. 
- John P. Leedom, (1847-1895), born in Adams County, United States congressman from Ohio and Sergeant at Arms of the United States House of Representatives. 
- Daniel McCann, (1816 - 1890), born in Adams County, sold the eagle Old Abe to the 8th Wisconsin Volunteer Infantry Regiment.
- Jack Roush, (1942-), is the founder, CEO, and co-owner along with John Henry of Roush Fenway Racing, a NASCAR team headquartered in Concord, North Carolina, and is Chairman of the Board of Roush Enterprises.
- Joseph Edgar Foreman (born July 28, 1974), better known by his stage name Afroman, is an American rapper, multi-instrumentalist and musician. He is best known for the hit single "Because I Got High". He was nominated for a Grammy award in 2002.
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- "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. April 2, 2001. Retrieved February 7, 2015.
- "American FactFinder". United States Census Bureau. Archived from the original on September 11, 2013. Retrieved January 31, 2008.
- "DP-1 Profile of General Population and Housing Characteristics: 2010 Demographic Profile Data". United States Census Bureau. Retrieved December 27, 2015.
- "Population, Housing Units, Area, and Density: 2010 - County". United States Census Bureau. Retrieved December 27, 2015.
- "DP02 SELECTED SOCIAL CHARACTERISTICS IN THE UNITED STATES – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Retrieved December 27, 2015.
- "DP03 SELECTED ECONOMIC CHARACTERISTICS – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Retrieved December 27, 2015.
- Leip, David. "Dave Leip's Atlas of U.S. Presidential Elections". uselectionatlas.org. Retrieved 2018-05-01.
- "Adams County Commissioners". Adams County Ohio Government Portal. Retrieved December 9, 2014.
- "2005 Ohio Public Library Statistics:Statistics by County and Town". State Library of Ohio. Archived from the original on September 24, 2006. Retrieved November 6, 2006.
- Homren, Wayne. "E-Sylum v11n07 - Article #28". www.coinbooks.org. Retrieved 2018-05-01.
- "Brushcreek Motorsports Complex » Peebles, OH". www.brushcreekmotorsports.com. Retrieved 2018-05-01.
- Who Was Who in America, Historical Volume, 1607-1896. Marquis Who's Who. 1967.