|• Supervisor||Michael Corrigan|
|• 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)|
| • Estimate |
|• Density||5,112/sq mi (1,973.8/km2)|
|Time zone||UTC-6 (CST)|
|• Summer (DST)||UTC-5 (CDT)|
60104, 60126, 60130, 60141, 60153, 60154, 60155, 60160, 60162, 60163, 60164, 60165, 60305, 60513, 60521, 60525, 60526, 60546, 60558
Proviso Township is one of 29 townships in Cook County, Illinois, United States. As of the 2010 census, its population was 151,704. 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.
According to the United States Census Bureau, Proviso Township covers an area of 29.68 square miles (76.9 km2).
The township contains these fifteen cemeteries: Concordia, Forest Home, Free Sons of Israel, Glen Oak, Immanuel, Joseph and Sons Incorporated, Menorah, Mount Carmel, Oak Ridge, Old Settlers, Parkholm, Queen of Heaven, Waldheim, and Woodlawn.
|U.S. Decennial Census|
The following public high school districts serve portions of Proviso Township: Lyons Township (La Grange Park and Western Springs), Riverside-Brookfield (Brookfield, North Riverside and Riverside) and Proviso Township High Schools (Forest Park, Westchester, Maywood, Berkley, Hillside, Melrose Park, Stone Park, Broadview and Bellwood).
Some graduates of the early 1940s were members of Company B of the 192nd Tank Battalion, an Illinois National Guard Unit, whose involvement in the Bataan Death March during World War II, has been commemorated every year in Maywood since 1942. 137 township residents were killed or captured during the event.