County
· Indiana
Sullivan County
Sullivan County is a county in the U.S. state of Indiana, and determined by the US Census Bureau to include the mean center of U.S. population in 1940. As of 2023, the population was estimated at 20,757. The county seat is Sullivan. Sullivan County is included in the Terre Haute metropolitan area.
20,758 population
(2021)
·
County area: Sullivan
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Cities and towns 7
Townships 9
Reference data (Census of Governments 2022)
- Census ID (PID6)
- 185237
- FIPS state
- 18
- FIPS county
- 153
- FIPS place
- 99153
- Census record name
- COUNTY OF SULLIVAN
- Mailing address
- 100 COURT HOUSE SQ, SULLIVAN 47882