County in Illinois
Sangamon County
About 194,900 people, median household income $75,400.
District lines run through Sangamon County, so who represents you here depends on where you live. Search your address to see yours.
Who lives in Sangamon County
Census survey estimates for 2020 to 2024, rounded.
People
- Population
- 194,900
- Median age
- 41.0 years
- Under 18
- 22%
- 65 and over
- 19%
- Veterans, of adults
- 7%
- Speak another language at home
- 5%
Race and ethnicity
- Hispanic or Latino, of any race
- 3%
- White, not Hispanic
- 77%
- Black, not Hispanic
- 13%
- Asian, not Hispanic
- 2%
Income and housing
- Median household income
- $75,400
- Below the poverty line
- 13%
- Bachelor's or higher, adults 25+
- 37%
- Owner-occupied homes
- 71%
- Median home value
- $176,000
2024 vote for president
- Donald Trump, Republican
- 51.4%
- Kamala Harris, Democrat
- 46.5%
- Other candidates
- 2.1%
Votes counted, by precinct. Source: MIT Election Data and Science Lab, precinct returns (public domain).
Represent all of Sangamon County
Sangamon County's districts (9)
U.S. House (2)
- U.S. House District 13
Held by Nikki Budzinski, Democratic
Part of Sangamon County: 148,501 people in 2020
- U.S. House District 15
Held by Mary E. Miller, Republican
Part of Sangamon County: 47,842 people in 2020
Illinois Senate (3)
- Illinois Senate District 44
Held by Sally Turner, Republican
Part of Sangamon County: 3,088 people in 2020
- Illinois Senate District 48
Held by Doris Turner, Democratic
Part of Sangamon County: 154,196 people in 2020
- Illinois Senate District 54
Held by Steve McClure, Republican
Part of Sangamon County: 39,059 people in 2020
Illinois House (4)
- Illinois House District 87
Held by Bill Hauter, Republican
Part of Sangamon County: 3,088 people in 2020
- Illinois House District 95
Held by Mike Coffey, Republican
Part of Sangamon County: 102,952 people in 2020
- Illinois House District 96
Held by Sue Scherer, Democratic
Part of Sangamon County: 51,244 people in 2020
- Illinois House District 108
Held by Wayne Rosenthal, Republican
Part of Sangamon County: 39,059 people in 2020
Towns (27)
Cities, villages and unincorporated communities, with the number of people in the county’s part of each at the 2020 Census.
- Springfield114,394
- Chatham14,377
- Sherman4,673
- Auburn4,574
- Rochester3,863
- Riverton3,532
- Pawnee2,678
- Jerome1,692
- Southern View1,596
- Leland Grove1,454
- Williamsville1,425
- Grandview1,405
- New Berlin1,381
- Divernon1,139
- Illiopolis846
- Loami812
- Pleasant Plains808
- Spaulding801
- Mechanicsburg662
- Thayer632
- Dawson519
- Buffalo447
- Curran213
- Clear Lake203
3 more towns
- Virden (part)146
- Cantrall144
- Berlin141
Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2020–2024; towns and counties from the 2020 Census, Demographic and Housing Characteristics. 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.