St. Clair Township, St. Clair County, Illinois
St. Clair Township | |
|---|---|
Township | |
Location in St. Clair County | |
St. Clair County's location in Illinois | |
| Country | United States |
| State | Illinois |
| County | St. Clair |
| Established | October 5, 1885 |
| Area | |
• Total | 20.52 sq mi (53.1 km2) |
| • Land | 20.17 sq mi (52.2 km2) |
| • Water | 0.35 sq mi (0.9 km2) 1.71% |
| Population (2010) | |
• Estimate (2016) | 35,223 |
| • Density | 1,759.8/sq mi (679.5/km2) |
| Time zone | UTC-6 (CST) |
| • Summer (DST) | UTC-5 (CDT) |
| FIPS code | 17-163-66729 |
St. Clair Township is located in St. Clair County, Illinois. As of the 2010 census, its population was 35,498 and it contained 15,366 housing units. St. Clair Township formed from a portion of Belleville Township on October 5, 1885.