Downers Grove Township, Illinois

Downers Grove Township
Township
Location in DuPage County
DuPage County's location in Illinois
Coordinates: 41°45′15″N 87°58′32″W / 41.75417°N 87.97556°W / 41.75417; -87.97556
Country United States
State Illinois
CountyDuPage
EstablishedNovember 6, 1849
Government
 • SupervisorKim Savage
Area
 • Total
50.97 sq mi (132.0 km2)
 • Land49.66 sq mi (128.6 km2)
 • Water1.32 sq mi (3.4 km2)  2.59%
Elevation
[1]
750 ft (230 m)
Population
 (2020)
 • Total
149,921
 • Density3,019/sq mi (1,166/km2)
Time zoneUTC-6 (CST)
 • Summer (DST)UTC-5 (CDT)
ZIP codes
60439, 60480, 60514–60517, 60521, 60523, 60527, 60559, 60561
FIPS code17-043-20604
WebsiteDowners Grove Township

Downers Grove Township is one of nine townships in DuPage County, Illinois, United States. As of the 2020 census, its population was 149,921, and it contained 61,933 housing units.[2] It is among the largest townships in DuPage County by both area and population.[3]

Geography

According to the 2021 census gazetteer files, Downers Grove Township has a total area of 50.97 square miles (132.01 km2), of which 49.66 square miles (128.62 km2) (97.41%) is land and 1.32 square miles (3.42 km2) (2.59%) is water.[3]

Cities, towns, and villages

Unincorporated communities

(This list is based on USGS data and may include former settlements.)

Ghost Towns

Landmarks

Transportation

Major highways

Airports and heliports

  • Brookeridge Airpark (LL22) — residential airpark in the township[6]
  • Argonne Heliport
  • Darien–Woodridge Fire Department Heliport
  • Madison Avenue Venture Heliport
  • Midwest Heliport

Natural features

  • Des Plaines River
  • Brookeridge Lake
  • Bruce Lake
  • Darien Lake
  • Golfview Lake
  • Hidden Lake
  • Lake Charles
  • Lake Hinsdale
  • Maple Lake
  • Picadilly Lake
  • Ruth Lake
  • Timber Lake
  • Twin Lakes
  • Waterfall Glen Lake

Cemeteries

Downers Grove Township maintains and oversees several cemeteries, including Cass, Clarendon Hills, Downers Grove, Fullersburg, Hinsdale Animal, Oak Crest, Oak Hill, Pierce Downer, Saint John’s Lutheran, Saint Mary of Gostyn, Saint Patrick’s Catholic, and Zion Lutheran.[7]

Demographics

As of the 2020 census[2] there were 149,921 people, 57,993 households, and 40,301 families residing in the township. The population density was 2,941.13 inhabitants per square mile (1,135.58/km2). There were 61,933 housing units at an average density of 1,214.99 per square mile (469.11/km2).

The racial makeup of the township was 74.61% White, 4.55% African American, 0.27% Native American, 10.87% Asian, 0.05% Pacific Islander, 2.65% from other races, and 7.00% from two or more races. Hispanic or Latino of any race were 8.32% of the population.

There were 57,993 households, of which 31.20% had children under 18, 57.96% were married couples living together, 7.79% had a female householder with no spouse present, and 30.51% were non-families. 26.70% of all households were individuals, and 12.60% had someone living alone aged 65 or older. The average household size was 2.53, and the average family size was 3.10.

The median age was 43.5 years. The median household income was $98,914, and the median family income was $128,804. The per capita income was $58,647. About 4.2% of families and 5.9% of the population were below the poverty line.

Historical population
CensusPop.Note%±
196066,664—
197094,26841.4%
1980122,86530.3%
1990137,86212.2%
2000148,1107.4%
2010146,795−0.9%
2020149,9212.1%
U.S. Decennial Census[8]

Education

Government

Downers Grove Township was established on November 6, 1849. It is named for Pierce Downer, one of the area’s early settlers. The township seat is located in Downers Grove.[9] The township provides general assistance, property assessment, and road maintenance for unincorporated areas.

Political districts

See also

References

  1. ^ "Geographic Names Information System (GNIS): Downers Grove Township, DuPage County, Illinois". U.S. Geological Survey. Retrieved October 29, 2025.
  2. ^ a b "Explore Census Data: Downers Grove township, DuPage County, Illinois". data.census.gov. Retrieved October 29, 2025.
  3. ^ a b "Gazetteer Files". Census.gov. United States Census Bureau. Retrieved October 29, 2025.
  4. ^ "Argonne National Laboratory – Location". Argonne National Laboratory. Retrieved October 29, 2025.
  5. ^ "Waterfall Glen Forest Preserve". Forest Preserve District of DuPage County. Retrieved October 29, 2025.
  6. ^ "Brookeridge Residential Airpark". ll22.org. Retrieved October 29, 2025.
  7. ^ "Cemeteries". Downers Grove Township. Retrieved October 29, 2025.
  8. ^ "Census of Population and Housing". Census.gov. Retrieved June 4, 2016.
  9. ^ Henry Gannett (1905). The Origin of Certain Place Names in the United States. Govt. Print. Off. pp. 108.
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