Prospect Heights, Illinois
City of Prospect Heights
Official seal of Prospect Heights, Illinois
Location of Prospect Heights in Cook County, Illinois.
Location of Prospect Heights in Cook County, Illinois.
Location of Illinois in the United States
Location of Illinois in the United States
Coordinates: 42°6′20″N 87°55′41″W / 42.10556°N 87.92806°W / 42.10556; -87.92806
CountryUnited States
 • MayorMatthew Dolick
 • Total4.29 sq mi (11.10 km2)
 • Land4.26 sq mi (11.02 km2)
 • Water0.03 sq mi (0.08 km2)
 • Total16,058
 • Density3,773.03/sq mi (1,456.60/km2)
Time zoneUTC-6 (CST)
 • Summer (DST)UTC-5 (CDT)
ZIP Code(s)
Area code847
FIPS code17-62016
Wikimedia CommonsProspect Heights, Illinois

Prospect Heights is a city in Cook County, Illinois, United States and is a suburb of Chicago. Per the 2020 census, the population was 16,058.[2]


According to the 2021 census gazetteer files, Prospect Heights has a total area of 4.29 square miles (11.11 km2), of which 4.26 square miles (11.03 km2) (or 99.30%) is land and 0.03 square miles (0.08 km2) (or 0.70%) is water.[3]


Historical population
U.S. Decennial Census[4]
2010[5] 2020[6]

As of the 2020 census[7] there were 16,058 people, 6,144 households, and 4,205 families residing in the city. The population density was 3,746.62 inhabitants per square mile (1,446.58/km2). There were 6,657 housing units at an average density of 1,553.20 per square mile (599.69/km2). The racial makeup of the city was 61.41% White, 10.31% Asian, 1.51% African American, 1.33% Native American, 0.01% Pacific Islander, 14.14% from other races, and 11.30% from two or more races. Hispanic or Latino of any race were 28.99% of the population.

There were 6,144 households, out of which 29.2% had children under the age of 18 living with them, 52.70% were married couples living together, 10.34% had a female householder with no husband present, and 31.56% were non-families. 25.00% of all households were made up of individuals, and 11.74% had someone living alone who was 65 years of age or older. The average household size was 3.09 and the average family size was 2.59.

The city's age distribution consisted of 24.0% under the age of 18, 5.4% from 18 to 24, 29% from 25 to 44, 23.6% from 45 to 64, and 18.1% who were 65 years of age or older. The median age was 38.7 years. For every 100 females, there were 109.7 males. For every 100 females age 18 and over, there were 100.0 males.

The median income for a household in the city was $72,500, and the median income for a family was $84,803. Males had a median income of $48,699 versus $27,007 for females. The per capita income for the city was $39,534. About 6.5% of families and 10.0% of the population were below the poverty line, including 13.8% of those under age 18 and 7.0% of those age 65 or over.

Prospect Heights city, Illinois – Demographic Profile
(NH = Non-Hispanic)
Race / Ethnicity Pop 2010[5] Pop 2020[6] % 2010 % 2020
White alone (NH) 9,822 9,210 60.42% 57.35%
Black or African American alone (NH) 181 215 1.11% 1.34%
Native American or Alaska Native alone (NH) 9 24 0.06% 0.15%
Asian alone (NH) 1,273 1,641 7.83% 10.22%
Pacific Islander alone (NH) 2 2 0.01% 0.01%
Some Other Race alone (NH) 6 38 0.04% 0.24%
Mixed Race/Multi-Racial (NH) 117 273 0.72% 1.70%
Hispanic or Latino (any race) 4,846 4,655 29.81% 28.99%
Total 16,256 16,058 100.00% 100.00%

Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos can be of any race.

On April 5, 2011, Nicholas "Nick" Helmer was elected Mayor of Prospect Heights with 70% of the vote.[8] Less than thirty days after being sworn in, Mayor Helmer rehired police officers that were laid off by the prior administration.[9]


Most of Prospect Heights is served by the Prospect Heights School District 23, which contains four schools:

Other districts that serve portions of Prospect Heights include:

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 Chicago Union Station or Antioch from a station on the North Central Service, while the Union Pacific / Northwest Line has two stations nearby.

Notable people


  1. ^ "2020 U.S. Gazetteer Files". United States Census Bureau. Retrieved March 15, 2022.
  2. ^ "Prospect Heights city, Illinois". United States Census Bureau. Retrieved April 15, 2022.
  3. ^ Bureau, US Census. "Gazetteer Files". Retrieved June 29, 2022.
  4. ^ "Decennial Census of Population and Housing by Decades". US Census Bureau.
  5. ^ a b "P2 HISPANIC OR LATINO, AND NOT HISPANIC OR LATINO BY RACE – 2010: DEC Redistricting Data (PL 94-171) – Prospect Heights city, Illinois". United States Census Bureau.
  6. ^ a b "P2 HISPANIC OR LATINO, AND NOT HISPANIC OR LATINO BY RACE – 2020: DEC Redistricting Data (PL 94-171) – Prospect Heights city, Illinois". United States Census Bureau.
  7. ^ "Explore Census Data". Retrieved June 28, 2022.
  8. ^ "Chicago Tribune: Chicago news, sports, weather, entertainment".
  9. ^ "Chicago Tribune: Chicago news, sports, weather, entertainment".
  10. ^ YouTube: The Company and Its Founders By Rebecca Rowell Retrieved 2017-02-18.