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Village in Cook County, Illinois

Mount Prospect

District lines run through Mount Prospect, so who represents you here depends on your street. Search your address to see yours.

Who lives in Mount Prospect

Census survey estimates for 2020 to 2024, rounded.

People

Population
55,500
Median age
41.1 years
Under 18
23%
65 and over
19%
Veterans, of adults
4%
Speak another language at home
43%

Race and ethnicity

Hispanic or Latino, of any race
18%
White, not Hispanic
61%
Black, not Hispanic
3%
Asian, not Hispanic
15%

Income and housing

Median household income
$101,700
Below the poverty line
7%
Bachelor's or higher, adults 25+
49%
Owner-occupied homes
69%
Median home value
$397,000

2024 vote for president

Not counted for Mount Prospect on its own: its precincts follow township lines, not the town’s. See the figure for Cook County.

Represent all of Mount Prospect

Represent part of Mount Prospect

Each represents the part of Mount Prospect inside their district. Under each is how many people lived in that part at the 2020 Census, of 56,852 in all.

Mount Prospect's districts (11)

U.S. House (4)

Illinois Senate (3)

Illinois House (4)

Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2020–2024; towns and counties from the 2020 Census, 119th Congressional District and 2024 state legislative district tabulation. Figures rounded by us. Retrieved 2026-10-19. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.