Cass County, Indiana
County seat: Logansport · Population 37,836 (2025) · 412 sq mi
Cass County is the 41st most populous of Indiana's 92 counties, with 37,836 people (2025 estimate). Its county seat is Logansport. It is part of the West Central (Region 4) region, one of the 12 Indiana economic growth regions (DWD / WorkOne regions). The map shows its 5 cities and towns and the 6 neighboring counties.
Cass County facts
- County seat
- Logansport
- Population (2025 estimate)
- 37,836 −0.1% since 2020
- Land area
- 412 sq mi 32nd largest of 92
- Water area
- 3 sq mi
- Population density
- 92 per sq mi
- Established
- 1829
- Named after
- Lewis Cass American politician (1782-1866)
- Largest city
- Logansport 18,287
- Median household income
- $56,403
- Cities and towns
- 5 plus 7 CDPs
- ZIP codes
- 12
- Time zone
- Eastern
- FIPS code
- 18017
Cities and towns in Cass County
Cass County has 5 incorporated cities, towns and villages. Populations count the people living inside Cass County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Logansport (county seat) | City | 18,287 | |
| Galveston | Town | 1,273 | |
| Walton | Town | 1,024 | |
| Royal Center | Town | 794 | |
| Onward | Town | 76 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Anoka | 398 | |
| Twelve Mile | 300 | |
| Young America | 225 | |
| Lincoln | 147 | |
| Lucerne | 141 | |
| Grissom AFB | 0 | Miami County |
| Lake Cicott | 0 |
ZIP codes in Cass County
12 ZIP codes reach into Cass County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 46901 also Howard and Miami counties
- 46926 also Miami and Wabash counties
- 46932 also Howard, Miami and Carroll counties
- 46947 also Carroll County
- 46950 also Fulton County
- 46961
- 46967
- 46970 also Miami and Wabash counties
- 46978 also Pulaski, White and Fulton counties
- 46988 also Fulton County
- 46994
- 46998
Population of Cass County, 2020–2025
Cass County shrank by 33 people (−0.1%) between April 2020 and July 2025: 107 more births than deaths and a net loss of 129 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 37,794 |
| 2021 | 37,572 |
| 2022 | 37,750 |
| 2023 | 38,024 |
| 2024 | 37,929 |
| 2025 | 37,836 |
Neighboring counties
- Miami County east · 34,487 people
- Carroll County southwest · 20,655 people
- Fulton County north · 20,091 people
- White County west · 25,164 people
- Howard County southeast · 83,904 people
- Pulaski County northwest · 12,463 people
Printable Cass 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) (90 KB)
- PNG (2400 px) (67 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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