Sangamon County, Illinois
Sangamon County, Illinois · ZIP 62515, 62520, 62530
- Census data · ACS 2019-2023
- 194,345 (2024 estimate)Population
- 84,290Households
- $74,114Median household income
- $170,300Median home value
- 51Towns with a page
- 29ZIP codes
Sangamon County in numbersOfficial sources, refreshed yearly
| Census | Population |
|---|---|
| 2000 | 188,951 |
| 2010 | 197,465 |
| 2020 | 196,343 |
As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.
Sources: Census 2000 Summary File 1: total population, county level, state 17, retrieved November 14, 2026; Census 2010 Summary File 1: total population, county level, state 17, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, county level, state 17, retrieved November 14, 2026.
Median household income $74,114 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.
Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, county level, state 17, retrieved November 14, 2026.
- Owner occupied
- 59,521 units
- Renter occupied
- 24,769 units
- Vacancy rate
- 9.5%
Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.
Source: American Community Survey 5-year data profile 2019–2023, county level, state 17, retrieved November 14, 2026.
80,005 employees in 4,925 establishments with payroll in 2023, all sectors; employers themselves are not named in the source. County Business Patterns counts are published with noise.
Source: County Business Patterns 2023: employment by sector, county level, state 17, retrieved November 14, 2026.
| Measure | Sangamon County | Illinois |
|---|---|---|
| Population | 195,217 | 12,692,653 |
| Median household income | $74,114 | $81,702 |
| Median age | 40.8 | 38.9 |
| Median home value | $170,300 | $250,500 |
| Bachelor’s degree or higher | 35.1% | 37.2% |
| Foreign-born residents | 3.3% | 14.4% |
| Owner-occupied homes | 70.6% | 66.8% |
| Mean commute to work | 19.5 minutes | 28.1 minutes |
Source: American Community Survey 5-year data profile 2019–2023, county level, state 17, retrieved November 14, 2026.
Townships, towns and villages in Sangamon County51 with a page · sort by any column
| Type | |||
|---|---|---|---|
| Springfield | City | 112,949 | 61.3 sq mi |
| Capital Township | Township | 111,140 | 59.5 sq mi |
| Chatham | Village | 14,639 | 7.52 sq mi |
| Woodside Township | Township | 11,320 | 12.2 sq mi |
| Chatham Township | Township | 8,528 | 37.2 sq mi |
| Clear Lake Township | Township | 8,277 | 33.7 sq mi |
| Ball Township | Township | 7,610 | 29.8 sq mi |
| Auburn Township | Township | 5,817 | 35.8 sq mi |
| Fancy Creek Township | Township | 5,814 | 47.0 sq mi |
| Rochester Township | Township | 5,670 | 33.4 sq mi |
| Springfield Township | Township | 5,489 | 13.7 sq mi |
| Sherman | Village | 4,634 | 3.14 sq mi |
| Gardner Township | Township | 4,583 | 42.6 sq mi |
| Auburn | City | 4,453 | 4.12 sq mi |
| Rochester | Village | 4,044 | 2.68 sq mi |
| Riverton | Village | 3,489 | 3.22 sq mi |
| Williams Township | Township | 3,426 | 42.8 sq mi |
| Pawnee Township | Township | 2,979 | 27.1 sq mi |
| Pawnee | Village | 2,698 | 1.33 sq mi |
| Mechanicsburg Township | Township | 2,235 | 36.4 sq mi |
| Jerome | Village | 1,646 | 0.46 sq mi |
| New Berlin Township | Township | 1,556 | 31.2 sq mi |
| Southern View | Village | 1,551 | 0.67 sq mi |
| Curran Township | Township | 1,534 | 27.6 sq mi |
| Cartwright Township | Township | 1,498 | 72.0 sq mi |
| Williamsville | Village | 1,441 | 1.67 sq mi |
| Leland Grove | City | 1,409 | 0.63 sq mi |
| Divernon Township | Township | 1,406 | 27.2 sq mi |
| Grandview | Village | 1,387 | 0.34 sq mi |
| New Berlin | Village | 1,359 | 1.13 sq mi |
| Illiopolis Township | Township | 1,204 | 34.0 sq mi |
| Divernon | Village | 1,116 | 0.76 sq mi |
| Loami Township | Township | 1,106 | 21.1 sq mi |
| Cotton Hill Township | Township | 973 | 29.9 sq mi |
| Cooper Township | Township | 866 | 28.5 sq mi |
| Illiopolis | Village | 834 | 0.68 sq mi |
| Pleasant Plains | Village | 813 | 1.39 sq mi |
| Loami | Village | 797 | 1.01 sq mi |
| Spaulding | Village | 790 | 0.75 sq mi |
| Mechanicsburg | Village | 662 | 1.04 sq mi |
| Thayer | Village | 616 | 0.61 sq mi |
| Island Grove Township | Township | 564 | 28.1 sq mi |
| Dawson | Village | 511 | 0.79 sq mi |
| Buffalo | Village | 436 | 0.34 sq mi |
| Curran | Village | 210 | 1.97 sq mi |
| Maxwell Township | Township | 210 | 21.0 sq mi |
| Lanesville Township | Township | 208 | 36.2 sq mi |
| Buffalo Hart Township | Township | 171 | 22.7 sq mi |
| Talkington Township | Township | 161 | 37.5 sq mi |
| Berlin | Village | 142 | 0.89 sq mi |
| Cantrall | Village | 139 | 0.25 sq mi |
Populations: Census Population Estimates, Vintage 2024: subcounty totals, state 17 (2024). Land areas: Census Gazetteer 2025: counties. A dash means the figure is not in the cited file.
County officialsFrom public records
No county official is published yet. Names appear once a researcher drafts them from the county’s own site and a second person approves; office contacts only, never personal details.
Across Sangamon County
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Neighboring counties
Neighboring counties
- Cass CountyPopulation 12,713 (2024 estimate)
- Christian CountyPopulation 33,247 (2024 estimate)
- Logan CountyPopulation 27,518 (2024 estimate)
- Macon CountyPopulation 100,737 (2024 estimate)
- Macoupin CountyPopulation 43,895 (2024 estimate)
- Menard CountyPopulation 11,963 (2024 estimate)
- Montgomery CountyPopulation 27,615 (2024 estimate)
- Morgan CountyPopulation 32,618 (2024 estimate)
Sources: Census county adjacency file 2024, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 17, retrieved November 14, 2026.