Wayne County, Illinois
County seat: Fairfield · Population 15,882 (2025) · 714 sq mi
Wayne County is the 66th most populous of Illinois's 102 counties, with 15,882 people (2025 estimate). Its county seat is Fairfield. It is part of the Southern region, one of the 10 Illinois economic development regions (DCEO). The map shows its 10 cities and towns and the 7 neighboring counties.
Wayne County facts
- County seat
- Fairfield
- Population (2025 estimate)
- 15,882 −1.9% since 2020
- Land area
- 714 sq mi 23rd largest of 102
- Water area
- 2 sq mi
- Population density
- 22 per sq mi
- Established
- 1819
- Same name
- One of 16 Wayne Counties in the US
- Named after
- Anthony Wayne Continental Army general (1745-1796)
- Largest city
- Fairfield 4,794
- Median household income
- $55,521
- Cities and towns
- 10
- ZIP codes
- 20
- Time zone
- Central
- FIPS code
- 17191
Cities and towns in Wayne County
Wayne County has 10 incorporated cities, towns and villages. Populations count the people living inside Wayne County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Fairfield (county seat) | City | 4,794 | |
| Wayne City | Village | 986 | |
| Cisne | Village | 612 | |
| Jeffersonville | Village | 349 | |
| Sims | Village | 164 | |
| Mount Erie | Village | 96 | |
| Johnsonville | Village | 80 | |
| Golden Gate | Village | 61 | |
| Keenes | Village | 48 | |
| Mill Shoals | Village | 0 | White County |
ZIP codes in Wayne County
20 ZIP codes reach into Wayne County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 62446
- 62450 also Richland County
- 62809
- 62810 also Jefferson and Hamilton counties
- 62814 also Jefferson County
- 62820 also White County
- 62823
- 62824 also Clay County
- 62828 also Hamilton County
- 62833 also Edwards County
- 62837
- 62842
- 62843
- 62850
- 62851 also Jefferson and Marion counties
- 62868 also Richland and Clay counties
- 62878
- 62886
- 62895 also Hamilton County
- 62899 also Clay County
Population of Wayne County, 2020–2025
Wayne County shrank by 307 people (−1.9%) between April 2020 and July 2025: 379 more deaths than births and a net gain of 80 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 16,143 |
| 2021 | 15,977 |
| 2022 | 15,868 |
| 2023 | 15,832 |
| 2024 | 15,883 |
| 2025 | 15,882 |
Neighboring counties
- Clay County north · 12,793 people
- Edwards County east · 5,898 people
- Hamilton County south · 7,859 people
- Jefferson County west · 36,147 people
- White County southeast · 13,250 people
- Marion County northwest · 36,382 people
- Richland County northeast · 15,219 people
Printable Wayne 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) (95 KB)
- PNG (2400 px) (64 KB)
Paste this code to embed the map on your site:
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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