Wabash County, Illinois
County seat: Mount Carmel · Population 10,907 (2025) · 223 sq mi
Wabash County is the 86th most populous of Illinois's 102 counties, with 10,907 people (2025 estimate). Its county seat is Mount Carmel. It is part of the Southern region, one of the 10 Illinois economic development regions (DCEO). The map shows its 4 cities and towns and the 6 neighboring counties.
Wabash County facts
- County seat
- Mount Carmel
- Population (2025 estimate)
- 10,907 −4% since 2020
- Land area
- 223 sq mi 98th largest of 102
- Water area
- 4 sq mi
- Population density
- 49 per sq mi
- Established
- 1824
- Named after
- Wabash River tributary of the Ohio River in the United States
- Largest city
- Mount Carmel 6,723
- Median household income
- $57,086
- Cities and towns
- 4
- ZIP codes
- 7
- Time zone
- Central
- FIPS code
- 17185
Cities and towns in Wabash County
Wabash County has 4 incorporated cities, towns and villages. Populations count the people living inside Wabash County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Mount Carmel (county seat) | City | 6,723 | |
| Allendale | Village | 437 | |
| Bellmont | Village | 241 | |
| Keensburg | Village | 170 |
ZIP codes in Wabash County
7 ZIP codes reach into Wabash County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 62410
- 62460 also Lawrence County
- 62476 also Edwards, Lawrence and Richland counties
- 62811
- 62818 also Edwards County
- 62852
- 62863
Population of Wabash County, 2020–2025
Wabash County shrank by 454 people (−4%) between April 2020 and July 2025: 290 more deaths than births and a net loss of 163 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 11,319 |
| 2021 | 11,224 |
| 2022 | 11,061 |
| 2023 | 11,065 |
| 2024 | 11,026 |
| 2025 | 10,907 |
Neighboring counties
- Edwards County west · 5,898 people
- Gibson County, Indiana southeast · 33,091 people
- Knox County, Indiana northeast · 35,652 people
- Lawrence County north · 13,790 people
- Richland County northwest · 15,219 people
- White County southwest · 13,250 people
Printable Wabash 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) (89 KB)
- PNG (2400 px) (96 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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