Perry County, Illinois
County seat: Pinckneyville · Population 20,160 (2025) · 442 sq mi
Perry County is the 57th most populous of Illinois's 102 counties, with 20,160 people (2025 estimate). Its county seat is Pinckneyville. It is part of the Southern region, one of the 10 Illinois economic development regions (DCEO). The map shows its 6 cities and towns and the 5 neighboring counties.
Perry County facts
- County seat
- Pinckneyville
- Population (2025 estimate)
- 20,160 −3.7% since 2020
- Land area
- 442 sq mi 63rd largest of 102
- Water area
- 5 sq mi
- Population density
- 46 per sq mi
- Established
- 1827
- Same name
- One of 10 Perry Counties in the US
- Named after
- Oliver Hazard Perry United States Naval Officer (1785-1819)
- Largest city
- Du Quoin 5,569
- Median household income
- $62,118
- Cities and towns
- 6
- ZIP codes
- 12
- Time zone
- Central
- FIPS code
- 17145
Cities and towns in Perry County
Perry County has 6 incorporated cities, towns and villages. Populations count the people living inside Perry County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Du Quoin | City | 5,569 | |
| Pinckneyville (county seat) | City | 4,903 | |
| Willisville | Village | 560 | |
| Tamaroa | Village | 524 | |
| Cutler | Village | 351 | |
| St. Johns | Village | 158 |
ZIP codes in Perry County
12 ZIP codes reach into Perry County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 62237 also Washington and Randolph counties
- 62238
- 62263 also Washington County
- 62268 also Washington County
- 62272 also Randolph and Jackson counties
- 62274 also Jackson County
- 62831 also Washington County
- 62832 also Jackson County
- 62883 also Jefferson and Franklin counties
- 62888
- 62916 also Jackson and Randolph counties
- 62997
Population of Perry County, 2020–2025
Perry County shrank by 778 people (−3.7%) between April 2020 and July 2025: 440 more deaths than births and a net loss of 343 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 20,884 |
| 2021 | 20,681 |
| 2022 | 20,633 |
| 2023 | 20,674 |
| 2024 | 20,376 |
| 2025 | 20,160 |
Neighboring counties
- Washington County north · 13,564 people
- Franklin County east · 36,916 people
- Jackson County south · 52,501 people
- Randolph County west · 29,921 people
- Jefferson County northeast · 36,147 people
Printable Perry 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) (81 KB)
- PNG (2400 px) (57 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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