County · Illinois

DuPage County, Illinois

DuPage County, Illinois. DuPage County had 934,298 residents in 2025 by the Census Bureau's estimate, up 0.1% since 2020, while Illinois shrank 0.8%. It holds 48 places (39 cities, villages and boroughs and 9 towns and townships) and 219 census tracts. GEOID 17043.

DuPage County is one of the 13 counties of the Chicago-Naperville-Elgin, IL-IN metropolitan statistical area (the Census Bureau's July 2023 delineation).

Residents, July 2025 estimate

934,298

Census Bureau estimate (no margin published)
2020 Census count: 932,877 · ACS 2020-2024: 930,024

Median household income

$112,096

±$1,607 (90% margin)
Illinois: $83,390

Median home value

$391,400

±$2,511 (90% margin)
Illinois: $263,300

Median gross rent

$1,688

±$16 (90% margin)
Illinois: $1,274

How many people live in DuPage County, and is it growing?

The 2020 Census counted 932,877 residents in DuPage County. The Census Bureau estimates 934,298 for July 1, 2025, up 0.1% since 2020, while Illinois shrank 0.8%. The 2020-2024 American Community Survey puts the population at 930,024 over 328 square miles of land.

July 2020→2021 −3,853 (927,620)
2021→2022 −3,442 (924,178)
2022→2023 +3,222 (927,400)
2023→2024 +5,251 (932,651)
2024→2025 +1,647 (934,298)

DuPage County in Illinois. Boundaries: Census Bureau 2024.

Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
Measure	DuPage County	Illinois	Change since 2015-2019
Total population	930,024	12,694,798	+964
Households	350,758±1,140	5,036,449	+7,967
Average household size	2.61±0.01	2.46	−0.06
Housing units	367,152±204	5,457,452	+6,845

DuPage County's population since 2000

From 904,161 in 2000 to 934,298 in 2025: up 3.3%. The 2000, 2010 and 2020 figures are census counts. 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 904,161
2005 (estimate) 911,378
2010 Census 916,924
2015 (estimate) 933,669
2020 Census 932,877
2025 (estimate) 934,298

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); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov

What cities and towns are in DuPage County?

DuPage County holds 48 places: 39 cities, villages and boroughs (incorporated places) and 9 towns and townships (county subdivisions with their own government). The largest is Downers Grove Township with 149,599 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.

Places in DuPage County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.

Downers Grove Township	township	149,921	149,038±37	$117,335	$454,700	6.2%	100%
York Township, DuPage County	township	128,425	127,667±42	$112,233	$397,200	6.1%	100%
Milton Township	township	120,237	119,372±46	$121,087	$469,400	6.8%	100%
Lisle Township	township	119,040	118,895±68	$118,712	$429,000	5.0%	100%
Bloomingdale Township	township	111,875	111,175±49	$99,020	$327,100	8.0%	100%
Naperville Township	township	104,765	105,406±57	$120,026	$402,200	6.6%	100%
Naperville	city	149,540	150,692±439	$155,105	$540,200	4.4%	66%
Addison Township	township	88,351	87,658±40	$90,991	$342,400	7.2%	100%
Wayne Township	township	64,427	63,881±35	$136,513	$371,300	4.3%	100%
Wheaton	city	53,970	53,557±55	$120,008	$455,700	5.6%	100%
Aurora	city	180,542	179,898±487	$93,633	$274,800	9.5%	29%
Downers Grove	village	50,247	50,054±79	$115,114	$449,800	5.5%	100%
Winfield Township	township	45,836	46,932±62	$103,183	$301,500	10.5%	100%
Elmhurst	city	45,786	45,671±45	$149,644	$545,400	3.3%	100%
Lombard	village	44,476	43,619±334	$100,362	$335,700	7.2%	100%
Carol Stream	village	39,854	39,460±99	$102,309	$335,000	6.4%	100%
Addison	village	35,702	35,489±49	$90,431	$341,300	8.7%	100%
Woodridge	village	34,158	33,941±69	$101,000	$363,700	5.5%	100%
Glendale Heights	village	33,176	32,808±45	$86,545	$261,700	10.3%	100%
Glen Ellyn	village	28,846	28,390±166	$140,938	$544,000	6.3%	100%
West Chicago	city	25,614	25,395±51	$99,927	$336,800	13.0%	100%
Westmont	village	24,429	23,724±281	$88,090	$379,100	9.8%	100%
Lisle	village	24,223	23,407±50	$107,479	$406,800	5.9%	100%
Bartlett	village	41,105	40,501±76	$133,240	$375,700	4.2%	58%
Bloomingdale	village	22,382	22,457±37	$102,928	$376,500	5.5%	100%
Villa Park	village	22,263	22,345±572	$95,015	$329,000	4.7%	100%
Darien	city	22,011	21,879±50	$111,215	$398,700	4.2%	100%
Roselle	village	22,897	22,752±35	$111,318	$344,700	4.1%	83%
Bensenville	village	18,813	18,603±36	$79,515	$272,000	7.6%	100%
Hanover Park	village	37,470	36,732±84	$91,763	$274,200	12.5%	46%
Hinsdale	village	17,395	17,175±315	$250,000 or more	$1,053,700	2.9%	86%
Wood Dale	city	14,012	13,933±30	$91,382	$318,900	6.7%	100%
Warrenville	city	13,553	14,718±173	$100,321	$286,100	11.3%	100%
Winfield	village	9,835	10,095±86	$135,795	$386,300	3.2%	100%
Itasca	village	9,543	9,355±354	$114,294	$390,800	2.0%	100%
Willowbrook, DuPage County	village	9,236	9,131±72	$99,239	$358,600	6.6%	100%
Clarendon Hills	village	8,702	8,659±30	$130,388	$605,800	8.4%	100%
Oak Brook	village	8,163	8,056±32	$175,870	$903,200	6.6%	100%
Burr Ridge	village	11,192	11,141±36	$156,829	$700,400	3.9%	61%
Oakbrook Terrace	city	2,751	2,723±16	$76,905	$372,400	17.3%	100%
Wayne	village	2,286	2,562±500	$161,719	$642,700	2.1%	66%
Bolingbrook	village	73,922	74,096±380	$108,400	$314,700	9.2%	2%
St. Charles	city	33,081	32,854±153	$114,300	$377,400	4.4%	2%
Lemont	village	17,629	17,820±40	$123,370	$468,800	3.1%	0%
Chicago	city	2,746,388	2,711,226±63	$77,902	$334,100	16.8%	0%
Schaumburg	village	78,723	76,868±548	$97,514	$330,400	5.7%	0%
Elk Grove Village	village	32,812	31,987±41	$94,175	$347,100	7.9%	0%
Batavia	city	26,098	27,151±346	$120,056	$387,400	5.5%	0%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov

Who lives in DuPage County?

The median resident of DuPage County is 40.2 years old; 22.2% are under 18 and 17.3% are 65 or older. The largest group is non-Hispanic white residents at 62.2%, then Hispanic or Latino residents (of any race) at 16.1%. 20.5% of residents were born outside the United States.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
Measure	DuPage County	Illinois	Change since 2015-2019
Median age	40.2±0.2	39.0	+0.9
Under 18 years	22.2%±0.1 pts	21.8%	–
65 years and over	17.3%±0.1 pts	17.0%	–
Hispanic or Latino (any race)	16.1%	18.8%	+1.8 pts
White alone, not Hispanic	62.2%±0.1 pts	58.1%	−4.7 pts
Black or African American alone, not Hispanic	4.8%±0.1 pts	13.3%	no clear change
Asian alone, not Hispanic	13.0%±0.1 pts	5.9%	+1.2 pts
American Indian and Alaska Native alone, not Hispanic	0.0%±0.1 pts	0.1%	–
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0.0%±0.1 pts	0.0%	–
Two or more races, not Hispanic	3.5%±0.2 pts	3.4%	–
Some other race alone, not Hispanic	0.4%±0.1 pts	0.4%	–
Born outside the United States	20.5%±0.4 pts	14.7%	+1.4 pts
Speak a language other than English at home (age 5+)	29.6%±0.5 pts	24.0%	–
Civilian veterans (age 18+)	3.5%±0.1 pts	4.8%	–
With a disability	9.0%±0.2 pts	12.1%	–
No health insurance coverage	5.2%±0.3 pts	6.9%	no clear change
High school graduate or higher (age 25+)	93.0%±0.3 pts	90.5%	–
Bachelor's degree or higher (age 25+)	51.8%±0.5 pts	37.8%	+2.4 pts
Graduate or professional degree (age 25+)	21.1%±0.4 pts	15.3%	–
Moved from another state in the past year	1.3%±0.1 pts	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 DuPage County earn?

Half of DuPage County's 350,758 households earn less than $112,096 a year (±$1,607), against $83,390 in Illinois. In 2015-2019 it was $114,219 in 2024 dollars; the margins of error cannot tell the two periods apart. 6.6% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
Measure	DuPage County	Illinois	Change since 2015-2019
Median household income	$112,096±$1,607	$83,390	no clear change
Mean household income	$152,117±$1,709	$115,638	–
Per capita income	$58,189±$615	$46,406	+$1,242
People below the poverty line	6.6%±0.3 pts	11.8%	no clear change
Children under 18 below the poverty line	7.0%±0.7 pts	15.1%	−1.1 pts
Households receiving SNAP	7.4%±0.4 pts	13.8%	–
Households with a broadband subscription	94.8%±0.3 pts	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 DuPage County?

Owners occupy 73.1% of DuPage County's occupied homes and renters 26.9%. The median owner-occupied home is valued at $391,400 by its owner (±$2,511). The median renter pays $1,688 a month including utilities, and 36.1% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
Measure	DuPage County	Illinois	Change since 2015-2019
Median home value (owner-occupied)	$391,400±$2,511	$263,300	+$11,731
Median gross rent	$1,688±$16	$1,274	+$68
Renters paying 35% or more of income on rent	36.1%±1.4 pts	39.0%	no clear change
Median monthly owner costs, with a mortgage	$2,450±$19	$1,987	–
Owner-occupied homes	73.1%±0.5 pts	67.1%	no clear change
Housing units	367,152±204	5,457,452	+6,845
Homeowner vacancy rate	0.7%±0.2 pts	1.0%	–
Rental vacancy rate	5.6%±0.6 pts	5.0%	–
Single-family detached homes	58.4%±0.5 pts	58.2%	–
Mobile homes	0.3%±0.1 pts	2.3%	–
Built 2020 or later	0.8%±0.1 pts	0.7%	–
Built 1939 or earlier	5.3%±0.3 pts	20.2%	–

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 many new homes is DuPage County building?

Builders took permits for 1,265 new housing units across DuPage County in 2025 (844 single-family), 1.4 per 1,000 residents.

2019 1,199 units
2020 1,671 units
2021 1,554 units
2022 1,121 units
2023 973 units
2024 1,450 units
2025 1,265 units

Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in DuPage County get to work?

64.9% of DuPage County's workers drive alone and 21.5% work from home. The average trip to work takes 27.7 minutes. The unemployment rate in 2020-2024 averaged 4.9%.

Work and commuting, ACS 2020-2024 5-year estimates
Measure	DuPage County	Illinois	Change since 2015-2019
In the labor force (age 16+)	68.0%±0.4 pts	65.0%	–
Unemployment rate	4.9%±0.3 pts	5.8%	+0.8 pts
Drove alone to work	64.9%±0.6 pts	65.9%	–
Carpooled	6.8%±0.3 pts	7.8%	–
Public transportation	4.0%±0.2 pts	5.8%	–
Walked	1.5%±0.1 pts	2.8%	–
Worked from home	21.5%±0.6 pts	15.9%	+14.6 pts
Mean travel time to work	27.7 min±0.3	27.8 min	−2.1 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 are DuPage County's census tracts?

DuPage County is divided into 219 census tracts. Among those with a reliable estimate, median household income runs from $61,286 (Tract 8417.08) to $250,000 or more (Tract 8462.09).

All 219 census tracts of DuPage County, with their figures

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

How does DuPage County compare with Illinois's other counties?

DuPage County's rank among Illinois's counties with a reliable estimate (1 = highest)
Measure	Rank
Population	2nd of 102
Growth 2020-2025	16th of 102
Residents per square mile	2nd of 102
Median household income	1st of 102
Median home value	1st of 102
Median gross rent	2nd of 102
Poverty rate	96th of 102
Bachelor's degree or higher	1st of 102
Median age	78th of 102

Every county in Illinois

Source: PlainCities ranks 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 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 DuPage County 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.