Proviso Township, Illinois
Proviso Township | |
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Flag Seal | |
Location in Cook County | |
Cook County's location in Illinois | |
| Coordinates: 41°51′52″N 87°52′14″W / 41.86444°N 87.87056°W | |
| Country | United States |
| State | Illinois |
| County | Cook |
| Government | |
| • Type | Township |
| • Supervisor | Michael Corrigan |
| Area | |
• Total | 29.68 sq mi (76.86 km2) |
| • Land | 29.68 sq mi (76.86 km2) |
| • Water | 0 sq mi (0 km2) 0% |
| Elevation | 627 ft (191 m) |
| Population (2020) | |
• Total | 151,209 |
| • Density | 5,095/sq mi (1,967/km2) |
| Time zone | UTC-6 (CST) |
| • Summer (DST) | UTC-5 (CDT) |
| ZIP codes | 60104, 60126, 60130, 60141, 60153, 60154, 60155, 60160, 60161, 60162, 60163, 60164, 60165, 60305, 60513, 60521, 60525, 60526, 60546, 60558 |
| Area codes | 630/331, 708/464 |
| FIPS code | 17-031-62133 |
| Website | www |
Proviso Township is one of 29 townships in Cook County, Illinois, United States. As of the 2020 census, its population was 151,209. It was organized in 1850 and originally named "Taylor", but shortly afterward its name was changed to make reference to the Wilmot Proviso, a contemporary piece of legislation intended to stop the spread of slavery.
The Proviso Township government office is located at 4565 W. Harrison Street, Hillside, IL 60162.