Jasper County, Indiana
County seat: Rensselaer · Population 33,894 (2025) · 560 sq mi
Jasper County is the 49th most populous of Indiana's 92 counties, with 33,894 people (2025 estimate). Its county seat is Rensselaer. It is part of the Northwest (Region 1) region, one of the 12 Indiana economic growth regions (DWD / WorkOne regions). The map shows its 4 cities and towns and the 8 neighboring counties.
Jasper County facts
- County seat
- Rensselaer
- Population (2025 estimate)
- 33,894 +2.9% since 2020
- Land area
- 560 sq mi 3rd largest of 92
- Water area
- 2 sq mi
- Population density
- 61 per sq mi
- Established
- 1835
- Named after
- William Jasper American soldier in the Revolutionary War
- Largest city
- Rensselaer 5,681
- Median household income
- $77,314
- Cities and towns
- 4 plus 2 CDPs
- ZIP codes
- 13
- Time zone
- Central
- FIPS code
- 18073
Cities and towns in Jasper County
Jasper County has 4 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 |
|---|---|---|---|
| Rensselaer (county seat) | City | 5,681 | |
| DeMotte | Town | 4,384 | |
| Remington | Town | 1,392 | |
| Wheatfield | Town | 931 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Roselawn | 838 | Newton County |
| Fair Oaks | 323 |
ZIP codes in Jasper County
13 ZIP codes reach into Jasper County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 46310 also Newton County
- 46341 also Porter and Lake counties
- 46374 also Starke and Pulaski counties
- 46392
- 47922 also Newton County
- 47943 also Newton County
- 47946 also Pulaski County
- 47948 also Newton and Benton counties
- 47957 also Pulaski County
- 47959 also White and Pulaski counties
- 47977 also Benton and White counties
- 47978 also Newton and White counties
- 47995 also White and Benton counties
Population of Jasper County, 2020–2025
Jasper County grew by 969 people (+2.9%) between April 2020 and July 2025: 97 more deaths than births and a net gain of 1,066 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 32,911 |
| 2021 | 33,170 |
| 2022 | 33,297 |
| 2023 | 33,516 |
| 2024 | 33,655 |
| 2025 | 33,894 |
Neighboring counties
- Newton County west · 14,188 people
- White County southeast · 25,164 people
- Pulaski County east · 12,463 people
- Porter County north · 176,049 people
- Benton County south · 8,883 people
- Starke County northeast · 23,425 people
- Lake County northwest · 504,612 people
- LaPorte County northeast · 111,294 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) (84 KB)
- PNG (2400 px) (74 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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