Mercer County | |
|---|---|
 Location within the U.S. state of Missouri | |
 Missouri's location within the U.S. | |
| Coordinates: 40°25′N 93°34′W / 40.42°N 93.57°W | |
| Country |  United States |
| State |  Missouri |
| Founded | February 14, 1845 |
| Named for | John Francis Mercer |
| Seat | Princeton |
| Largest city | Princeton |
| Area | |
| • Total | 455 sq mi (1,180 km2) |
| • Land | 454 sq mi (1,180 km2) |
| • Water | 1.3 sq mi (3 km2) 0.3% |
| Population (2020) | |
| • Total | 3,538 |
| • Density | 7.8/sq mi (3.0/km2) |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Congressional district | 6th |
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,[1] making it the second-least populous county in Missouri. Its county seat is Princeton.[2] The county was organized February 14, 1845, and named for General John F. Mercer of the Revolutionary War.
- ^ "Explore Census Data". data.census.gov. Retrieved December 16, 2021.
- ^ "Find a County". National Association of Counties. Retrieved June 7, 2011.