City in Williamson County, Illinois
Marion
District lines run through Marion, so who represents you here depends on your street. Search your address to see yours.
Who lives in Marion
Census survey estimates for 2020 to 2024, rounded.
People
- Population
- 16,800
- Median age
- 42.2 years
- Under 18
- 21%
- 65 and over
- 24%
- Veterans, of adults
- 10%
- Speak another language at home
- 4%
Race and ethnicity
- Hispanic or Latino, of any race
- 3%
- White, not Hispanic
- 85%
- Black, not Hispanic
- 8%
- Asian, not Hispanic
- 2%
Income and housing
- Median household income
- $56,900
- Below the poverty line
- 13%
- Bachelor's or higher, adults 25+
- 29%
- Owner-occupied homes
- 63%
- Median home value
- $158,000
2024 vote for president
Not counted for Marion on its own: its precincts follow township lines, not the town’s. See the figure for Williamson County.
Represent all of Marion
Represent part of Marion
Each represents the part of Marion inside their district. Under each is how many people lived in that part at the 2020 Census, of 16,855 in all.
Marion's districts
U.S. House District 12
All of Marion
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 59
All of Marion
Held by Paul Jacobs, Republican
- Springfield office: (217) 782-5509
- District office: (618) 559-7018
About 214,700 people, median household income $56,600.
Largest towns: Carbondale, Marion, Herrin and 79 more
Illinois House District 117
Part of Marion: 2,216 people in 2020
Held by Patrick Windhorst, Republican
- Springfield office: (217) 782-5131
- District office: (618) 294-8703
About 107,800 people, median household income $61,300.
Largest towns: Harrisburg, West Frankfort, Metropolis and 43 more
Illinois House District 118
Part of Marion: 14,639 people in 2020
Held by Scott Doody, Republican
- Springfield office: (217) 782-0387
- District office: (618) 565-7115
About 106,900 people, median household income $53,300.
Largest towns: Carbondale, Marion (part), Herrin and 35 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.