Columbia, Illinois
Columbia | |
|---|---|
Downtown Columbia | |
|
Flag Logo | |
| Motto: Good for business, good for life | |
Location of Columbia in Monroe County, Illinois. | |
| Coordinates: 38°27′52″N 90°14′30″W / 38.46444°N 90.24167°W | |
| Country | United States |
| State | Illinois |
| County | St. Clair and Monroe |
| Founded | 1859 |
| Area | |
• Total | 10.38 sq mi (26.88 km2) |
| • Land | 10.32 sq mi (26.74 km2) |
| • Water | 0.054 sq mi (0.14 km2) |
| Elevation | 446 ft (136 m) |
| Population (2020) | |
• Total | 10,999 |
| • Density | 1,065.4/sq mi (411.37/km2) |
| Time zone | UTC−6 (CST) |
| • Summer (DST) | UTC−5 (CDT) |
| ZIP code | 62236 |
| Area code | 618 |
| FIPS code | 17-15833 |
| GNIS feature ID | 2393604 |
| Website | www |
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.