County
· Missouri
Mercer County
Mercer County is a county located in the northwestern portion of the U.S. state of Missouri. As of the 2020 census, the population was 3,538, making it the second-least populous county in Missouri. Its county seat is Princeton. The county was organized February 14, 1845, and named for General John F. Mercer of the Revolutionary War.
3,488 population
(2021)
·
County area: Mercer
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Cities and towns 3
Townships 9
Reference data (Census of Governments 2022)
- Census ID (PID6)
- 168751
- FIPS state
- 29
- FIPS county
- 129
- FIPS place
- 99129
- Census record name
- COUNTY OF MERCER
- Mailing address
- 802 E MAIN ST, PRINCETON 64673