Columbia, IL Insights: Population,
Zip Codes, Influence, and Service Areas

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.

Zip Codes in Columbia, IL that we also serve: 62236





Cities Close To Columbia, IL That We Also Serve