Madison County | |
|---|---|
 Madison County Courthouse in Fredericktown | |
 Location within the U.S. state of Missouri | |
 Missouri's location within the U.S. | |
| Coordinates: 37°29′N 90°20′W / 37.48°N 90.34°W | |
| Country |  United States |
| State |  Missouri |
| Founded | December 14, 1818 |
| Named for | James Madison |
| Seat | Fredericktown |
| Largest city | Fredericktown |
| Area | |
• Total | 498 sq mi (1,290 km2) |
| • Land | 494 sq mi (1,280 km2) |
| • Water | 3.2 sq mi (8 km2) 0.6% |
| Population (2020) | |
• Total | 12,626  |
| • Density | 25/sq mi (10/km2) |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Congressional district | 8th |
| Website | madisoncountymo |
Madison County is a county located in the Lead Belt region of the U.S. state of Missouri. As of the 2020 census, the population was 12,626.[1] Its county seat and largest city is Fredericktown.[2] The county was officially organized on December 14, 1818, and was named after President James Madison.[3] Mining has been a key industry in this area with Madison County recorded as having the oldest lead mine west of the Mississippi River.
- ^ "Explore Census Data". data.census.gov. Retrieved January 14, 2022.
- ^ "Find a County". National Association of Counties. Retrieved June 7, 2011.
- ^ Eaton, David Wolfe (1916). How Missouri Counties, Towns and Streams Were Named. The State Historical Society of Missouri. pp. 192.