City in St. Clair County, Illinois
Mascoutah
Who lives in Mascoutah
Census survey estimates for 2020 to 2024, rounded.
People
- Population
- 8,800
- Median age
- 37.5 years
- Under 18
- 24%
- 65 and over
- 14%
- Veterans, of adults
- 22%
- Speak another language at home
- 8%
Race and ethnicity
- Hispanic or Latino, of any race
- 10%
- White, not Hispanic
- 78%
- Black, not Hispanic
- 3%
- Asian, not Hispanic
- 2%
Income and housing
- Median household income
- $97,400
- Below the poverty line
- 10%
- Bachelor's or higher, adults 25+
- 31%
- Owner-occupied homes
- 70%
- Median home value
- $225,000
2024 vote for president
Not counted for Mascoutah on its own: its precincts follow township lines, not the town’s. See the figure for St. Clair County.
Who represents Mascoutah
Mascoutah's districts
U.S. House District 12
All of Mascoutah
Held by Mike Bost, Republican
- Washington office: (202) 225-5661
About 746,800 people, median household income $68,500.
Largest towns: O'Fallon (part), Carbondale, Marion and 281 more
Illinois Senate District 57
All of Mascoutah
Held by Christopher Belt, Democratic
- Springfield office: (217) 782-5399
- District office: (618) 875-1212
About 214,000 people, median household income $71,000.
Largest towns: Belleville, O'Fallon (part), East St. Louis and 30 more
Illinois House District 114
All of Mascoutah
Held by Kevin Schmidt, Republican
- Springfield office: (217) 782-5951
- District office: (618) 215-1050
About 107,700 people, median household income $71,000.
Largest towns: East St. Louis (part), O'Fallon (part), Cahokia and 24 more
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.
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.