De Witt County, Illinois
County seat: Clinton · Population 15,118 (2025) · 398 sq mi
De Witt County is the 70th most populous of Illinois's 102 counties, with 15,118 people (2025 estimate). Its county seat is Clinton. The map shows its 7 cities and towns and the 4 neighboring counties.
De Witt County facts
- County seat
- Clinton
- Population (2025 estimate)
- 15,118 −2.5% since 2020
- Land area
- 398 sq mi 73rd largest of 102
- Water area
- 8 sq mi
- Population density
- 38 per sq mi
- Established
- 1839
- Named after
- DeWitt Clinton American politician (1769–1828)
- Largest city
- Clinton 6,781
- Median household income
- $71,678
- Cities and towns
- 7 plus 1 CDPs
- ZIP codes
- 13
- Time zone
- Central
- FIPS code
- 17039
Cities and towns in De Witt County
De Witt County has 7 incorporated cities, towns and villages. Populations count the people living inside De Witt County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Clinton (county seat) | City | 6,781 | |
| Farmer City | City | 1,797 | |
| Wapella | Village | 497 | |
| Waynesville | Village | 369 | |
| Weldon | Village | 355 | |
| Kenney | Village | 297 | |
| De Witt | Village | 160 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Lane | 118 |
ZIP codes in De Witt County
13 ZIP codes reach into De Witt County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 61727
- 61735
- 61745 also McLean County
- 61749 also Macon and Logan counties
- 61750
- 61752 also McLean County
- 61754 also McLean and Logan counties
- 61756 also Macon County
- 61777
- 61778
- 61842 also Piatt and McLean counties
- 61882 also Piatt and Macon counties
- 62512 also Logan County
Population of De Witt County, 2020–2025
De Witt County shrank by 389 people (−2.5%) between April 2020 and July 2025: 400 more deaths than births and a net gain of 20 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 15,450 |
| 2021 | 15,398 |
| 2022 | 15,327 |
| 2023 | 15,297 |
| 2024 | 15,244 |
| 2025 | 15,118 |
Neighboring counties
- McLean County north · 171,419 people
- Macon County south · 99,300 people
- Piatt County southeast · 16,791 people
- Logan County west · 27,182 people
Printable De Witt County map
The PDF is a vector file with real text: it prints sharp on Letter paper and you can search it for a town. The PNG is 2400 pixels wide for slides and documents. Both are free to use with a credit to WhichCounty.
- PDF (Letter) (71 KB)
- PNG (2400 px) (53 KB)
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Sources
- Boundaries: U.S. Census Bureau, 2025 Cartographic Boundary Files (1:500,000).
- Population: Census Bureau county and city estimates, Vintage 2025. CDP populations: American Community Survey 2020–2024.
- Places and ZIP codes: Census Bureau 2026 Gazetteer and 2020 ZIP Code Tabulation Area relationship files.
- County seat, founding year and name origin: Wikidata (CC0), checked against state sources.
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