Township · Illinois

Downers Grove Township, Illinois

Downers Grove Township, township, in DuPage County, Illinois. Downers Grove Township had 149,599 residents on July 1, 2025 by the Census Bureau's estimate, down 0.2% since 2020; the 2020 Census counted 149,921 and the ACS 2020-2024 5-year estimates put it at 149,038 (±37). GEOID 1704320604.

Residents, July 2025 estimate

149,599

Census Bureau estimate (no margin published)
2020 Census count: 149,921 · ACS 2020-2024: 149,038 ±37

Median household income

$117,335

±$4,272 (90% margin)
Illinois: $83,390

Median home value

$454,700

±$7,506 (90% margin)
Illinois: $263,300

Median gross rent

$1,573

±$49 (90% margin)
Illinois: $1,274

Where is Downers Grove Township and what county is it in?

Downers Grove Township is a township in DuPage County, Illinois. It covers 49.7 square miles of land, 3,019 residents per square mile in 2020.

7 places lie inside Downers Grove Township, the largest Downers Grove (village, 50,247 residents in 2020); 3 places lie partly in it.

Downers Grove Township is in the Chicago-Naperville-Elgin, IL-IN metropolitan statistical area, which takes in 13 counties (Census Bureau delineation, July 2023).

Downers Grove Township (marked with a dot) in DuPage County, Illinois. Boundaries: Census Bureau 2024.

Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files

How many people live in Downers Grove Township, and is it growing?

The Census Bureau estimates that 149,599 people lived in Downers Grove Township on July 1, 2025, down 0.2% since 2020, a smaller fall than Illinois's (−0.8%). The 2020 Census counted 149,921 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 149,038 (±37).

  • July 2020→2021 −1,032 (148,620)
  • 2021→2022 −856 (147,764)
  • 2022→2023 +867 (148,631)
  • 2023→2024 +812 (149,443)
  • 2024→2025 +156 (149,599)
ACS 2020-2024 5-year estimates (counts) with the change from 2015-2019
MeasureDowners Grove TownshipDuPage CountyIllinoisChange since 2015-2019
Total population149,038±37930,02412,694,798+553
Households58,598±783350,7585,036,449no clear change
Average household size2.52±0.032.612.46no clear change
Housing units61,673±769367,1525,457,452no clear change

Downers Grove Township's population since 2000

From 148,110 in 2000 to 149,599 in 2025: up 1.0%. The 2000, 2010 and 2020 figures are census counts, each for Downers Grove Township as it was drawn that year: a place that annexed land, or a community that has since incorporated, covered a different area then. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.

  • 2000 Census 148,110
  • 2005 (estimate) 147,480
  • 2010 Census 146,795
  • 2015 (estimate) 149,427
  • 2020 Census 149,921
  • 2025 (estimate) 149,599

Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov

Who lives in Downers Grove Township?

The median resident of Downers Grove Township is 43.1 years old; 22.2% are under 18 and 20.2% are 65 or older. The largest group is non-Hispanic white residents at 72.5%, then non-Hispanic Asian residents at 10.4%. 18.2% of residents were born outside the United States.

Age, origin, education and moves, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
MeasureDowners Grove TownshipDuPage CountyIllinoisChange since 2015-2019
Median age43.1±0.740.239.0no clear change
Under 18 years22.2%±0.6 pts22.2%21.8%–
65 years and over20.2%±0.6 pts17.3%17.0%–
Male49.0%±0.6 pts49.5%49.4%–
Hispanic or Latino (any race)8.7%±0.7 pts16.1%18.8%+1.5 pts
White alone, not Hispanic72.5%±1.1 pts62.2%58.1%−3.1 pts
Black or African American alone, not Hispanic4.3%±0.6 pts4.8%13.3%no clear change
Asian alone, not Hispanic10.4%±0.7 pts13.0%5.9%no clear change
American Indian and Alaska Native alone, not Hispanic0.0%±0.1 pts0.0%0.1%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.0%±0.1 pts0.0%0.0%–
Two or more races, not Hispanic3.4%±0.5 pts3.5%3.4%–
Some other race alone, not Hispanic0.6%±0.2 pts0.4%0.4%–
Born outside the United States18.2%±0.8 pts20.5%14.7%+1.9 pts
Speak a language other than English at home (age 5+)24.1%±1.3 pts29.6%24.0%–
Civilian veterans (age 18+)3.3%±0.4 pts3.5%4.8%–
With a disability8.8%±0.6 pts9.0%12.1%–
No health insurance coverage4.9%±0.6 pts5.2%6.9%no clear change
High school graduate or higher (age 25+)95.8%±0.6 pts93.0%90.5%–
Bachelor's degree or higher (age 25+)56.5%±1.4 pts51.8%37.8%no clear change
Graduate or professional degree (age 25+)25.3%±0.9 pts21.1%15.3%–
Lived in the same house a year earlier90.2%±0.9 pts89.7%88.9%–
Moved from another state in the past year1.0%±0.2 pts1.3%1.6%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov

What do households in Downers Grove Township earn?

Half of Downers Grove Township's 58,598 households earn less than $117,335 a year (±$4,272), against $112,096 in DuPage County and $83,390 in Illinois. In 2015-2019 it was $118,428 in 2024 dollars; the margins of error cannot tell the two periods apart. 6.2% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates; 2015-2019 dollars adjusted with the R-CPI-U-RS
MeasureDowners Grove TownshipDuPage CountyIllinoisChange since 2015-2019
Median household income$117,335±$4,272$112,096$83,390no clear change
Mean household income$173,933±$5,035$152,117$115,638–
Per capita income$69,005±$1,717$58,189$46,406no clear change
People below the poverty line6.2%±0.9 pts6.6%11.8%no clear change
Children under 18 below the poverty line5.7%±1.6 pts7.0%15.1%no clear change
Households receiving SNAP6.9%±0.9 pts7.4%13.8%–
Households with a computer97.7%±0.4 pts97.5%95.2%–
Households with a broadband subscription95.3%±0.6 pts94.8%90.8%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What does housing cost in Downers Grove Township?

Owners occupy 75.9% of Downers Grove Township's occupied homes and renters 24.1%. The median owner-occupied home is valued at $454,700 by its owner (±$7,506). The median renter pays $1,573 a month including utilities, and 37.3% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates. Home values are owners' own estimates.
MeasureDowners Grove TownshipDuPage CountyIllinoisChange since 2015-2019
Median home value (owner-occupied)$454,700±$7,506$391,400$263,300no clear change
Median gross rent$1,573±$49$1,688$1,274+$115
Renters paying 35% or more of income on rent37.3%±3.6 pts36.1%39.0%no clear change
Median monthly owner costs, with a mortgage$2,621±$72$2,450$1,987–
Owner-occupied homes75.9%±1.3 pts73.1%67.1%−1.7 pts
Renter-occupied homes24.1%±1.3 pts26.9%32.9%–
Housing units61,673±769367,1525,457,452no clear change
Homeowner vacancy rate1.3%±0.5 pts0.7%1.0%–
Rental vacancy rate4.6%±1.6 pts5.6%5.0%–
Single-family detached homes62.8%±1.1 pts58.4%58.2%–
Mobile homes0.4%±0.3 pts0.3%2.3%–
Built 2020 or later0.9%±0.3 pts0.8%0.7%–
Built 2010 to 20195.0%±0.7 pts4.7%5.0%–
Built 1939 or earlier6.1%±0.6 pts5.3%20.2%–
Households with no vehicle4.4%±0.6 pts4.6%11.0%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov

How do people in Downers Grove Township work and get to work?

63.5% of Downers Grove Township's workers drive alone and 23.4% work from home. The average trip to work takes 28.3 minutes. The unemployment rate in 2020-2024 averaged 4.3%.

Work and commuting, ACS 2020-2024 5-year estimates (workers 16 and over)
MeasureDowners Grove TownshipDuPage CountyIllinoisChange since 2015-2019
In the labor force (age 16+)65.4%±1.0 pts68.0%65.0%–
Unemployment rate4.3%±0.6 pts4.9%5.8%no clear change
Drove alone to work63.5%±1.6 pts64.9%65.9%–
Carpooled5.3%±0.8 pts6.8%7.8%–
Public transportation5.1%±0.7 pts4.0%5.8%–
Walked1.4%±0.3 pts1.5%2.8%–
Worked from home23.4%±1.4 pts21.5%15.9%+15.2 pts
Mean travel time to work28.3 min±0.727.7 min27.8 min−2.4 min

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What census tracts are in Downers Grove Township?

35 census tracts lie mostly in Downers Grove Township (2020 census blocks). Their median household incomes run from $71,625 (Tract 8455.02) to $250,000 or more (Tract 8453).

Census tracts in Downers Grove Township, ACS 2020-2024 5-year estimates (the 12 with the most residents inside it; every tract on the full list)
TractResidents, 2020-2024Median household incomeMedian home valueShare of tract in Downers Grove Township
Tract 8458.07DuPage County6,487 $121,528 $470,700100%
Tract 8451DuPage County5,841 $178,036 $779,000100%
Tract 8447.02DuPage County5,711 $226,184 $970,400100%
Tract 8450DuPage County5,584 $122,625 $375,600100%
Tract 8458.03DuPage County5,409 $71,638 $311,900100%
Tract 8455.02DuPage County5,157 $71,625 $263,500100%
Tract 8458.09DuPage County4,926 $140,026 $459,100100%
Tract 8456.02DuPage County4,893 $105,658 $409,700100%
Tract 8457.04DuPage County4,786 $84,625 $384,300100%
Tract 8452DuPage County4,685 $250,000 or more $925,600100%
Tract 8457.02DuPage County4,663 $159,899 $480,600100%
Tract 8456.01DuPage County4,638 $123,125 $447,600100%

Every census tract in Downers Grove Township, with its figures

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Downers Grove Township) · Census block assignment files

How does Downers Grove Township compare with other places in Illinois?

By the Census Bureau's July 2025 estimates, Downers Grove Township is the 15th-most populous of the 16,079 U.S. towns and townships that have one and the 4th-most populous of 1,407 in Illinois.

Downers Grove Township ranks 174th of 1,380 places in Illinois with 1,000 or more residents and a reliable estimate, by median household income.

Downers Grove Township's rank in Illinois (1 = highest): by population among the state's towns and townships with a 2025 estimate; by the other measures among places of 1,000+ residents with a reliable estimate
MeasureRankOf
Population, July 2025 estimate4th1,407
Growth 2020-2025 (PEP)313th1,347
Residents per square mile157th1,383
Median household income174th1,380
Per capita income72nd1,383
Median home value68th1,379
Median gross rent170th1,280
Poverty rate868th1,119
Bachelor's degree or higher96th1,369
Median age460th1,383
Owner-occupied share782nd1,382
Work from home97th1,015
Travel time to work419th1,382

Downers Grove Township's figures with every place in Illinois (CSV)

Every place in Illinois, sortable · Compare Downers Grove Township with other places

Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed

How reliable are the figures for Downers Grove Township?

3 of the 57 figures for Downers Grove Township on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.

The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. How to read a margin of error.

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · ACS technical documentation

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections

Not on this page: crime, weather and schools for Downers Grove Township are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.