Fredericktown, Missouri

Fredericktown, Missouri
Location in Madison County and the state of Missouri
Coordinates: 37°33′52″N 90°17′56″W / 37.56444°N 90.29889°W / 37.56444; -90.29889
CountryUnited States
StateMissouri
CountyMadison
Incorporated1827
Area
  Total
4.50 sq mi (11.64 km2)
  Land4.33 sq mi (11.20 km2)
  Water0.17 sq mi (0.44 km2)
Elevation
699 ft (213 m)
Population
 (2020)
  Total
4,429
  Density1,024.05/sq mi (395.36/km2)
Time zoneUTC-6 (Central (CST))
  Summer (DST)UTC-5 (CDT)
ZIP code
63645
Area code573/235
FIPS code29-25768
GNIS feature ID2394816
Websitewww.fredericktownmo.org

Fredericktown is a city in and the county seat of Madison County, Missouri, United States, in the northeastern foothills of the St. Francois Mountains. The population was 4,429 at the 2020 census, up from 3,985 in 2010. The city is surrounded on three sides (east, west, and south) by the easternmost parcel of the Mark Twain National Forest.