St. Clair Township | |
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Township | |
![]() Location in St. Clair County | |
![]() St. Clair County's location in Illinois | |
Country | ![]() |
State | ![]() |
County |
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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)
[1] | 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. [2] St. Clair Township formed from a portion of Belleville Township on October 5, 1885.
According to the 2010 census, the township has a total area of 20.52 square miles (53.1 km2), of which 20.17 square miles (52.2 km2) (or 98.29%) is land and 0.35 square miles (0.91 km2) (or 1.71%) is water. [2]
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adding to it. (March 2021) |
Census | Pop. | Note | %± |
---|---|---|---|
2016 (est.) | 35,223 | [1] | |
U.S. Decennial Census [3] |
38°32′03″N 89°58′47″W / 38.53417°N 89.97972°W