Woodford County, Illinois
County seat: Eureka · Population 38,111 (2025) · 528 sq mi
Woodford County is the 34th most populous of Illinois's 102 counties, with 38,111 people (2025 estimate). Its county seat is Eureka. It is part of the North Central region, one of the 10 Illinois economic development regions (DCEO). The map shows its 16 cities and towns and the 6 neighboring counties.
Woodford County facts
- County seat
- Eureka
- Population (2025 estimate)
- 38,111 −0.9% since 2020
- Land area
- 528 sq mi 49th largest of 102
- Water area
- 15 sq mi
- Population density
- 72 per sq mi
- Established
- 1841
- Named after
- Woodford County county in Kentucky, United States
- Largest city
- Eureka 5,129
- Median household income
- $91,483
- Cities and towns
- 16 plus 1 CDPs
- ZIP codes
- 16
- Time zone
- Central
- FIPS code
- 17203
Cities and towns in Woodford County
Woodford County has 16 incorporated cities, towns and villages. Populations count the people living inside Woodford County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Eureka (county seat) | City | 5,129 | |
| Metamora | Village | 3,857 | |
| Germantown Hills | Village | 3,436 | |
| El Paso | City | 2,723 | McLean County |
| Roanoke | Village | 1,918 | |
| Minonk | City | 1,889 | |
| Washburn | Village | 952 | Marshall County |
| Goodfield | Village | 703 | Tazewell County |
| Congerville | Village | 500 | |
| Spring Bay | Village | 489 | |
| Benson | Village | 403 | |
| Bay View Gardens | Village | 349 | |
| Secor | Village | 335 | |
| Kappa | Village | 231 | |
| Panola | Village | 43 | |
| Deer Creek | Village | 23 | Tazewell County |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Lowpoint | 116 |
ZIP codes in Woodford County
16 ZIP codes reach into Woodford County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 61516
- 61530 also Tazewell County
- 61545
- 61548
- 61561
- 61570 also Marshall County
- 61611 also Tazewell County
- 61725 also McLean County
- 61729 also McLean County
- 61733 also Tazewell County
- 61738 also McLean County
- 61742 also Tazewell County
- 61744 also McLean and Livingston counties
- 61748 also McLean County
- 61760 also Marshall County
- 61771
Population of Woodford County, 2020–2025
Woodford County shrank by 345 people (−0.9%) between April 2020 and July 2025: 114 more deaths than births and a net loss of 219 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 38,405 |
| 2021 | 38,229 |
| 2022 | 38,233 |
| 2023 | 38,322 |
| 2024 | 38,198 |
| 2025 | 38,111 |
Neighboring counties
- McLean County southeast · 171,419 people
- Tazewell County southwest · 130,049 people
- Marshall County north · 11,473 people
- Peoria County west · 178,553 people
- Livingston County east · 35,057 people
- LaSalle County northeast · 107,773 people
Printable Woodford 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) (106 KB)
- PNG (2400 px) (75 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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