Columbia, Illinois

Columbia
Downtown Columbia
Downtown Columbia
Flag of Columbia
Official logo of Columbia
Motto(s): 
Good for business, good for life
Location of Columbia in Monroe County, Illinois.
Location of Columbia in Monroe County, Illinois.
Location of Illinois in the United States
Location of Illinois in the United States
Coordinates: 38°26′57″N 90°12′31″W / 38.44917°N 90.20861°W / 38.44917; -90.20861
Country United States
State Illinois
CountySt. Clair and Monroe[1]
Founded1859
Government
 • MayorBob Hill
Area
 • Total10.38 sq mi (26.88 km2)
 • Land10.32 sq mi (26.74 km2)
 • Water0.06 sq mi (0.14 km2)
Elevation453 ft (138 m)
Population
 (2020)
 • Total10,999
 • Density1,065.48/sq mi (411.37/km2)
Time zoneUTC−6 (CST)
 • Summer (DST)UTC−5 (CDT)
ZIP Code(s)
62236
Area code618
FIPS code17-15833
GNIS feature ID2393604[3]
Wikimedia CommonsColumbia, Illinois
Websitewww.columbiaillinois.com

Columbia is a city mainly in Monroe County with a small portion in St. Clair County in the U.S. state of Illinois, about 12 miles (19 km) south of St. Louis, Missouri. The population was 10,999 at the 2020 census.

  1. ^ "Subcounty population estimates: Illinois 2000-2008". United States Census Bureau, Population Division. March 18, 2009. Archived from the original (CSV) on September 26, 2008. Retrieved April 4, 2009.
  2. ^ "2020 U.S. Gazetteer Files". United States Census Bureau. Retrieved March 15, 2022.
  3. ^ a b U.S. Geological Survey Geographic Names Information System: Columbia, Illinois