Proviso Township
Location in Cook County
Location in Cook County
Cook County
Cook County's location in Illinois
Coordinates: 41°51′52″N 87°52′14″W / 41.86444°N 87.87056°W / 41.86444; -87.87056Coordinates: 41°51′52″N 87°52′14″W / 41.86444°N 87.87056°W / 41.86444; -87.87056
CountryUnited States
CountyCook, DuPage
 • TypeTownship
 • SupervisorMichael Corrigan
 • Total29.68 sq mi (76.86 km2)
 • Land29.68 sq mi (76.86 km2)
 • Water0 sq mi (0 km2)  0%
627 ft (191 m)
 • Estimate 
 • Density5,112/sq mi (1,973.8/km2)
Time zoneUTC-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 code(s)630/331, 708/464
FIPS code17-031-62133

Proviso Township is one of 29 townships in Cook County, Illinois, United States. As of the 2010 census, its population was 151,704.[2] 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.[3]

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).

Cities, towns, villages

Unincorporated Town

Adjacent townships


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.

Major highways

Airports and landing strips



Historical population
Census Pop.
U.S. Decennial Census[4]


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).


Political districts

Company B of the 192nd Tank Battalion

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.[5]


  1. ^ a b "Population and Housing Unit Estimates". Retrieved June 9, 2017.
  2. ^ "Geographic Identifiers: 2010 Demographic Profile Data (DP-1): Proviso township, Cook County, Illinois". U.S. Census Bureau, American Factfinder. Archived from the original on February 13, 2020. Retrieved March 21, 2013.
  3. ^ History of Cook County, Illinois, ed. Weston A. Goodspeed and Daniel D. Healy (Chicago, 1909), pp. 299-300.
  4. ^ "Census of Population and Housing". Retrieved June 4, 2016.
  5. ^ [Geserick, June; MAYWOOD SHOWS SONS IT WON'T FORGET HEROISM :30,000 See Ceremonies of Bataan Day; 13 September 1942; Chicago Daily Tribune (1872-1963); ProQuest Historical Newspapers Chicago Tribune (1849 - 1986). (Document ID: 473319512); accessed 22 July 2009]