Marion County | |
|---|---|
 Marion County courthouse in Palmyra | |
 Location within the U.S. state of Missouri | |
 Missouri's location within the U.S. | |
| Coordinates: 39°49′N 91°37′W / 39.81°N 91.62°W | |
| Country |  United States |
| State |  Missouri |
| Founded | December 23, 1826 |
| Named for | Francis Marion |
| Seat | Palmyra |
| Largest city | Hannibal |
| Area | |
| • Total | 444 sq mi (1,150 km2) |
| • Land | 437 sq mi (1,130 km2) |
| • Water | 7.4 sq mi (19 km2) 1.7% |
| Population (2020) | |
| • Total | 28,525  |
| • Density | 64/sq mi (25/km2) |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Congressional district | 6th |
| Website | http://marioncountymo.com/ |
Marion County is a county located in the northeastern portion of Missouri. As of the 2020 census, the population was 28,525.[1] Its county seat is Palmyra.[2] Unique from most third-class counties in the state, Marion has two county courthouses, the second located in Hannibal.[3] The county was organized on December 23, 1826[4][5] and named for General Francis Marion, the "Swamp Fox," who was from South Carolina and served in the American Revolutionary War.[6] The area was known as the "Two Rivers Country" before organization. Marion County is part of the Hannibal, Missouri Micropolitan Statistical Area, which is included in the Quincy-Hannibal, IL-MO Combined Statistical Area.
- ^ "Marion County, Missouri". United States Census Bureau. Retrieved June 13, 2023.
- ^ "Find a County". National Association of Counties. Retrieved June 7, 2011.
- ^ "Marion County, Missouri". 2013. Retrieved October 23, 2014.
- ^ "Marion County Collection Descriptions". The State Historical Society of Missouri. Archived from the original on March 28, 2016. Retrieved November 24, 2014.
- ^ "A Short History of Marion County". MOGenWeb. Retrieved November 24, 2014.
- ^ Eaton, David Wolfe (1916). How Missouri Counties, Towns and Streams Were Named. The State Historical Society of Missouri. pp. 193.