County
· Ohio
Mercer County
Mercer County is located in the U.S. state of Ohio. As of the 2020 census, the population was 42,528. Its county seat is Celina. The county was created in 1820 and later organized in 1824. It is named for Hugh Mercer, an officer in the American Revolutionary War.
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Cities and towns 9
Townships 14
- Township of Black Creek pop. 623
- Township of Butler pop. 6,611
- Township of Center pop. 1,088
- Township of Dublin pop. 2,047
- Township of Franklin pop. 2,511
- Township of Gibson pop. 2,106
- Township of Granville pop. 4,227
- Township of Hopewell pop. 993
- Township of Jefferson pop. 13,752
- Township of Liberty pop. 910
- Township of Marion pop. 3,312
- Township of Recovery pop. 1,500
- Township of Union pop. 1,349
- Township of Washington pop. 1,219
Reference data (Census of Governments 2022)
- Census ID (PID6)
- 132376
- FIPS state
- 39
- FIPS county
- 107
- FIPS place
- 99107
- Census record name
- COUNTY OF MERCER
- Mailing address
- 101 N MAIN ST, CELINA 45822