Whitley County, Indiana
County seat: Columbia City · Population 35,046 (2025) · 336 sq mi
Whitley County is the 45th most populous of Indiana's 92 counties, with 35,046 people (2025 estimate). Its county seat is Columbia City. It is part of the Northeast (Region 3) region, one of the 12 Indiana economic growth regions (DWD / WorkOne regions). The map shows its 4 cities and towns and the 5 neighboring counties.
Whitley County facts
- County seat
- Columbia City
- Population (2025 estimate)
- 35,046 +2.5% since 2020
- Land area
- 336 sq mi 73rd largest of 92
- Water area
- 2 sq mi
- Population density
- 104 per sq mi
- Established
- 1835
- Named after
- William Whitley American pioneer
- Largest city
- Columbia City 10,256
- Median household income
- $78,083
- Cities and towns
- 4 plus 3 CDPs
- ZIP codes
- 10
- Time zone
- Eastern
- FIPS code
- 18183
Cities and towns in Whitley County
Whitley County has 4 incorporated cities, towns and villages. Populations count the people living inside Whitley County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Columbia City (county seat) | City | 10,256 | |
| Churubusco | Town | 1,853 | |
| South Whitley | Town | 1,850 | |
| Larwill | Town | 274 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Tri-Lakes | 1,025 | |
| Coesse | 154 | |
| Laud | 101 |
ZIP codes in Whitley County
10 ZIP codes reach into Whitley County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 46562 also Kosciusko and Noble counties
- 46723 also Allen and Noble counties
- 46725 also Noble County
- 46750 also Huntington County
- 46764 also Noble County
- 46783 also Huntington, Allen and Wells counties
- 46787 also Kosciusko and Huntington counties
- 46814 also Allen County
- 46818 also Allen County
- 46962 also Wabash and Kosciusko counties
Population of Whitley County, 2020–2025
Whitley County grew by 861 people (+2.5%) between April 2020 and July 2025: 140 more births than deaths and a net gain of 735 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 34,337 |
| 2021 | 34,505 |
| 2022 | 34,630 |
| 2023 | 34,832 |
| 2024 | 34,932 |
| 2025 | 35,046 |
Neighboring counties
- Noble County north · 47,937 people
- Allen County east · 402,329 people
- Kosciusko County west · 80,892 people
- Huntington County south · 37,224 people
- Wabash County southwest · 30,713 people
Printable Whitley 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) (74 KB)
- PNG (2400 px) (62 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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