City in Madison County, Illinois
Alton
District lines run through Alton, so who represents you here depends on your street. Search your address to see yours.
Who lives in Alton
Census survey estimates for 2020 to 2024, rounded.
People
- Population
- 25,300
- Median age
- 38.0 years
- Under 18
- 23%
- 65 and over
- 17%
- Veterans, of adults
- 8%
- Speak another language at home
- 4%
Race and ethnicity
- Hispanic or Latino, of any race
- 3%
- White, not Hispanic
- 69%
- Black, not Hispanic
- 19%
- Asian, not Hispanic
- 1%
Income and housing
- Median household income
- $54,600
- Below the poverty line
- 21%
- Bachelor's or higher, adults 25+
- 22%
- Owner-occupied homes
- 60%
- Median home value
- $104,000
2024 vote for president
Not counted for Alton on its own: its precincts follow township lines, not the town’s. See the figure for Madison County.
Represent all of Alton
Represent part of Alton
Each represents the part of Alton inside their district. Under each is how many people lived in that part at the 2020 Census, of 25,676 in all.
Nikki BudzinskiU.S. Representative, District 13, Democratic23,720 people in this part
Mary E. MillerU.S. Representative, District 15, Republican1,956 people in this part- JTJil TracyState Senator, District 50, Republican14 people in this part
- EHErica HarrissState Senator, District 56, Republican25,662 people in this part
- CDC.D. DavidsmeyerState Representative, District 100, Republican14 people in this part
- AEAmy ElikState Representative, District 111, Republican25,662 people in this part
Alton's districts
U.S. House District 13
Part of Alton: 23,720 people in 2020
Held by Nikki Budzinski, Democratic
- Washington office: (202) 225-2371
About 747,200 people, median household income $63,100.
Largest towns: Springfield (part), Champaign, Decatur (part) and 91 more
U.S. House District 15
Part of Alton: 1,956 people in 2020
Held by Mary E. Miller, Republican
- Washington office: (202) 225-5271
About 746,700 people, median household income $74,000.
Largest towns: Quincy, Decatur (part), Springfield (part) and 351 more
Illinois Senate District 50
Part of Alton: 14 people in 2020
Held by Jil Tracy, Republican
- Springfield office: (217) 782-2479
- District office: (217) 223-0833
About 214,400 people, median household income $71,300.
Largest towns: Quincy, Jacksonville, Godfrey (part) and 104 more
Illinois Senate District 56
Part of Alton: 25,662 people in 2020
Held by Erica Harriss, Republican
- Springfield office: (217) 782-5247
- District office: (618) 307-5789
About 215,000 people, median household income $70,200.
Largest towns: Granite City, Alton (part), Edwardsville (part) and 20 more
Illinois House District 100
Part of Alton: 14 people in 2020
Held by C.D. Davidsmeyer, Republican
- Springfield office: (217) 782-1840
- District office: (217) 243-6221
About 106,400 people, median household income $77,500.
Largest towns: Godfrey (part), Jerseyville, Pittsfield and 76 more
Illinois House District 111
Part of Alton: 25,662 people in 2020
Held by Amy Elik, Republican
- Springfield office: (217) 782-5996
- District office: (618) 433-8046
About 108,300 people, median household income $63,500.
Largest towns: Alton (part), Granite City (part), Wood River and 14 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.