Fulton County, Indiana
County seat: Rochester · Population 20,091 (2025) · 368 sq mi
Fulton County is the 72nd most populous of Indiana's 92 counties, with 20,091 people (2025 estimate). Its county seat is Rochester. It is part of the Northern (Region 2) region, one of the 12 Indiana economic growth regions (DWD / WorkOne regions). The map shows its 4 cities and towns and the 7 neighboring counties.
Fulton County facts
- County seat
- Rochester
- Population (2025 estimate)
- 20,091 −1.9% since 2020
- Land area
- 368 sq mi 65th largest of 92
- Water area
- 3 sq mi
- Population density
- 55 per sq mi
- Established
- 1836
- Named after
- Robert Fulton American engineer and inventor (1765–1815)
- Largest city
- Rochester 6,132
- Median household income
- $61,360
- Cities and towns
- 4 plus 4 CDPs
- ZIP codes
- 17
- Time zone
- Eastern
- FIPS code
- 18049
Cities and towns in Fulton County
Fulton County has 4 incorporated cities, towns and villages. Populations count the people living inside Fulton County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Rochester (county seat) | City | 6,132 | |
| Akron | Town | 1,102 | |
| Kewanna | Town | 563 | |
| Fulton | Town | 291 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Nyona Lake | 389 | |
| Leiters Ford | 183 | |
| Lake Bruce | 163 | Pulaski County |
| Talma | 150 |
ZIP codes in Fulton County
17 ZIP codes reach into Fulton County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 46501 also Marshall County
- 46511 also Marshall, Starke and Pulaski counties
- 46539 also Kosciusko and Marshall counties
- 46570 also Marshall County
- 46910 also Kosciusko and Miami counties
- 46922
- 46931
- 46939 also Pulaski County
- 46945
- 46950 also Cass County
- 46951 also Miami County
- 46960 also Pulaski and Starke counties
- 46975
- 46978 also Cass, Pulaski and White counties
- 46982 also Kosciusko and Wabash counties
- 46985 also Pulaski and White counties
- 46988 also Cass County
Population of Fulton County, 2020–2025
Fulton County shrank by 393 people (−1.9%) between April 2020 and July 2025: 320 more deaths than births and a net loss of 77 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 20,476 |
| 2021 | 20,404 |
| 2022 | 20,355 |
| 2023 | 20,328 |
| 2024 | 20,035 |
| 2025 | 20,091 |
Neighboring counties
- Marshall County north · 46,599 people
- Pulaski County west · 12,463 people
- Miami County southeast · 34,487 people
- Kosciusko County northeast · 80,892 people
- Cass County south · 37,836 people
- Wabash County southeast · 30,713 people
- Starke County northwest · 23,425 people
Printable Fulton 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) (83 KB)
- PNG (2400 px) (58 KB)
Paste this code to embed the map on your site:
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.
Back to the Indiana county map with all 92 counties. Found an error? Tell us.