Jasper County, Illinois
County seat: Newton · Population 9,032 (2025) · 495 sq mi
Jasper County is the 88th most populous of Illinois's 102 counties, with 9,032 people (2025 estimate). Its county seat is Newton. It is part of the Southeast region, one of the 10 Illinois economic development regions (DCEO). The map shows its 7 cities and towns and the 6 neighboring counties.
Jasper County facts
- County seat
- Newton
- Population (2025 estimate)
- 9,032 −2.9% since 2020
- Land area
- 495 sq mi 55th largest of 102
- Water area
- 4 sq mi
- Population density
- 18 per sq mi
- Established
- 1831
- Same name
- One of 8 Jasper Counties in the US
- Named after
- William Jasper American soldier in the Revolutionary War
- Largest city
- Newton 2,715
- Median household income
- $74,755
- Cities and towns
- 7 plus 1 CDPs
- ZIP codes
- 15
- Time zone
- Central
- FIPS code
- 17079
Cities and towns in Jasper County
Jasper County has 7 incorporated cities, towns and villages. Populations count the people living inside Jasper County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Newton (county seat) | City | 2,715 | |
| Ste. Marie | Village | 226 | |
| Willow Hill | Village | 167 | |
| Hidalgo | Village | 107 | |
| Wheeler | Village | 96 | |
| Rose Hill | Village | 84 | |
| Yale | Village | 65 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| West Liberty | 43 |
ZIP codes in Jasper County
15 ZIP codes reach into Jasper County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 62420 also Clark, Cumberland and Coles counties
- 62424 also Effingham and Clay counties
- 62425 also Richland County
- 62432 also Cumberland County
- 62434 also Clay County
- 62436 also Cumberland County
- 62445 also Cumberland and Effingham counties
- 62448 also Richland and Clay counties
- 62449 also Crawford and Clark counties
- 62459
- 62467 also Effingham and Cumberland counties
- 62475
- 62479 also Effingham County
- 62480
- 62481
Population of Jasper County, 2020–2025
Jasper County shrank by 267 people (−2.9%) between April 2020 and July 2025: 212 more deaths than births and a net loss of 48 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 9,253 |
| 2021 | 9,208 |
| 2022 | 9,177 |
| 2023 | 9,148 |
| 2024 | 9,049 |
| 2025 | 9,032 |
Neighboring counties
- Crawford County east · 18,648 people
- Cumberland County north · 10,208 people
- Effingham County west · 34,519 people
- Richland County south · 15,219 people
- Clay County southwest · 12,793 people
- Clark County northeast · 15,114 people
Printable Jasper 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) (65 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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