Prospect Heights, Illinois
|City of Prospect Heights|
Location of Prospect Heights in Cook County, Illinois.
Location of Illinois in the United States
PROSPECT HEIGHTS ILLINOIS Latitude and Longitude:
|• Mayor||Nicholas Helmer|
|• Total||4.28 sq mi (11.10 km2)|
|• Land||4.25 sq mi (11.02 km2)|
|• Water||0.03 sq mi (0.08 km2)|
| • Estimate |
|• Density||3,818.05/sq mi (1,474.09/km2)|
|Time zone||UTC-6 ( CST)|
|• Summer ( DST)||UTC-5 ( CDT)|
|Wikimedia Commons||Prospect Heights, Illinois|
Prospect Heights is located at (42.105576, -87.928168).
According to the 2010 census, Prospect Heights has a total area of 4.269 square miles (11.06 km2), of which 4.24 square miles (10.98 km2) (or 99.32%) is land and 0.029 square miles (0.08 km2) (or 0.68%) is water. 
|U.S. Decennial Census |
As of the census  of 2000, there were 17,081 people, 6,379 households, and 4,433 families residing in the city. The population density was 4,011.1 people per square mile (1,548.1/km²). There were 6,573 housing units at an average density of 1,543.5 per square mile (595.7/km²). The racial makeup of the city was 77.41% White, 1.76% African American, 0.25% Native American, 4.37% Asian, 0.05% Pacific Islander, 13.82% from other races, and 2.35% from two or more races. Hispanic or Latino of any race were 27.58% of the population.
There were 6,379 households out of which 31.9% had children under the age of 18 living with them, 57.1% were married couples living together, 7.6% had a female householder with no husband present, and 30.5% were non-families. 25.1% of all households were made up of individuals and 8.7% had someone living alone who was 65 years of age or older. The average household size was 2.68 and the average family size was 3.21.
In the city, the population was spread out with 24.2% under the age of 18, 9.2% from 18 to 24, 33.4% from 25 to 44, 21.7% from 45 to 64, and 11.4% who were 65 years of age or older. The median age was 35 years. For every 100 females, there were 103.6 males. For every 100 females age 18 and over, there were 102.6 males.
The median income for a household in the city was $55,641, and the median income for a family was $63,382. Males had a median income of $40,317 versus $32,455 for females. The per capita income for the city was $28,200. About 3.7% of families and 4.3% of the population were below the poverty line, including 4.9% of those under age 18 and 1.4% of those age 65 or over.
On April 5, 2011, Nicholas "Nick" Helmer was elected Mayor of Prospect Heights with 70% of the vote.  Less than thirty days after being sworn in, Mayor Helmer rehired police officers that were laid off by the prior administration. 
Most of Prospect Heights is served by the Prospect Heights School District 23, which contains four schools:
- Dwight D. Eisenhower Elementary (K-1)
- Betsy Ross Elementary (2-3)
- Anne Sullivan Elementary (4-5)
- MacArthur Middle School (6-8)
Other districts that serve portions of Prospect Heights include:
- Wheeling Community Consolidated School District 21
- Whitman Elementary School (K-5) (In Wheeling)
- Twain Elementary School (K-5) (In Wheeling)
- Frost Elementary School (K-5) (In Mount Prospect)
- Holmes Middle School (6-8) (In Wheeling)
- River Trails School District 26
- Euclid Elementary School (K-5) (In Mount Prospect)
- River Trails Middle School (6-8) (In Mount Prospect)
Township High School District 214 serves Prospect Heights. Students attend either Wheeling High School or John Hersey High School. Those in District 23's area will attend either. Those in District 21's area will attend Wheeling and those in District 26's area will attend Hersey.
Private education in Prospect Heights is St. Alphonsus Liguori Catholic Parish and St. Viator High School in Arlington Heights.
In addition to PACE buses, Prospect Heights is serviced by two Metra lines, with service to Union Station from a station on the North Central Service, while the Union Pacific / Northwest Line has two stations nearby.
- Steve Chen, co-founder of YouTube 
- Anson Mount, actor
- Marty Robinson, radio/TV performer
- Ben Weasel, singer of punk rock band Screeching Weasel
- Charlie Kirk, founder of Turning Point USA
- "2016 U.S. Gazetteer Files". United States Census Bureau. Retrieved Jun 30, 2017.
- "Population and Housing Unit Estimates". Retrieved June 9, 2017.
- "Profile of General Population and Housing Characteristics: 2010 Demographic Profile Data (DP-1): Prospect Heights city, Illinois". U.S. Census Bureau, American Factfinder. Retrieved February 14, 2013.
- "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23.
- "G001 - Geographic Identifiers - 2010 Census Summary File 1". United States Census Bureau. Retrieved 2015-12-27.
- "Census of Population and Housing". Census.gov. Retrieved June 4, 2015.
- "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.
- YouTube: The Company and Its Founders By Rebecca Rowell Retrieved 2017-02-18.
links history of SSA6/Lake Claire Water: http://prev.dailyherald.com/story/?id=321146 http://articles.chicagotribune.com/2006-11-30/news/0611300086_1_lake-michigan-lake-water-city-water