Gibson County, Indiana
County seat: Princeton · Population 33,091 (2025) · 487 sq mi
Gibson County is the 52nd most populous of Indiana's 92 counties, with 33,091 people (2025 estimate). Its county seat is Princeton. It is part of the Southwest (Region 11) region, one of the 12 Indiana economic growth regions (DWD / WorkOne regions). The map shows its 10 cities and towns and the 7 neighboring counties.
Gibson County facts
- County seat
- Princeton
- Population (2025 estimate)
- 33,091 +0.2% since 2020
- Land area
- 487 sq mi 13th largest of 92
- Water area
- 12 sq mi
- Population density
- 68 per sq mi
- Established
- 1813
- Named after
- John Gibson American soldier and Governor
- Largest city
- Princeton 8,524
- Median household income
- $67,573
- Cities and towns
- 10 plus 2 CDPs
- ZIP codes
- 16
- Time zone
- Central
- FIPS code
- 18051
Cities and towns in Gibson County
Gibson County has 10 incorporated cities, towns and villages. Populations count the people living inside Gibson County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Princeton (county seat) | City | 8,524 | |
| Fort Branch | Town | 2,936 | |
| Oakland City | City | 2,274 | |
| Haubstadt | Town | 1,610 | |
| Owensville | Town | 1,332 | |
| Patoka | Town | 706 | |
| Francisco | Town | 539 | |
| Somerville | Town | 249 | |
| Hazleton | Town | 196 | |
| Mackey | Town | 127 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Johnson | 379 | |
| Buckskin | 83 |
ZIP codes in Gibson County
16 ZIP codes reach into Gibson County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 47612 also Posey County
- 47613 also Warrick County
- 47616 also Posey County
- 47619 also Warrick and Pike counties
- 47633 also Posey and Vanderburgh counties
- 47639 also Vanderburgh and Warrick counties
- 47640 also Pike County
- 47648
- 47649
- 47654
- 47660 also Pike and Warrick counties
- 47665
- 47666
- 47670
- 47683
- 47725 also Vanderburgh and Warrick counties
Population of Gibson County, 2020–2025
Gibson County grew by 71 people (+0.2%) between April 2020 and July 2025: 189 more deaths than births and a net gain of 257 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 33,059 |
| 2021 | 32,961 |
| 2022 | 32,973 |
| 2023 | 32,901 |
| 2024 | 32,998 |
| 2025 | 33,091 |
Neighboring counties
- Pike County east · 12,003 people
- Knox County north · 35,652 people
- Wabash County, Illinois northwest · 10,907 people
- Posey County southwest · 24,988 people
- Warrick County southeast · 66,803 people
- Vanderburgh County south · 181,995 people
- White County, Illinois southwest · 13,250 people
Printable Gibson 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) (114 KB)
- PNG (2400 px) (98 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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