COUNTY · 1990 CENSUS

DuPage County

Illinois · 781,666 residents · 328 sq mi

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The short version

With 781,666 people, DuPage County is a county in Illinois. Households here earn about 52% more than in Illinois as a whole. This is an unusually credentialed place: 36% of adults have a four-year degree. The median household earns $48,876, about 62% above the national median. The poverty rate is 2.7%, under the national 13.2%. 74% of homes are owner-occupied.

At a glance

Wealthier

above the US median

US median: $30,130

Mid-age

median age 32.4

US median: 33.0

More educated

36% hold a bachelor's degree

US average: 20%

Stable housing

home values roughly flat, inflation adjusted

US median home: $93,722

Section 01

Population & growth

Total population

781,666

−14%vs 2000

vs 904,161 in 2000

1990 – 2025

Median age

32.4

−8%vs 2000

vs 35.2 in 2000

US average: 33.0

Land area

328 sq mi

Population, 1990 – 2024

2024930K

Age distribution, 1990

Under 58.1%(63,564)

US avg: 7.3%

5 to 97.6%(59,772)

US avg: 7.3%

10 to 146.7%(52,693)

US avg: 6.9%

15 to 196.4%(49,893)

US avg: 7.1%

20 to 246.8%(53,423)

US avg: 7.5%

25 to 3419.6%(153,252)

US avg: 17.5%

35 to 4417.4%(135,911)

US avg: 15.1%

45 to 5411.2%(87,447)

US avg: 10.2%

55 to 647.4%(58,077)

US avg: 8.5%

65 to 745.2%(40,783)

US avg: 7.3%

75 to 842.6%(20,362)

US avg: 4%

85 and over0.8%(6,489)

US avg: 1.2%

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Section 02

Income & economy

Median household income

$48,876

−5%inflation adjusted, since 2000

vs $67,887 in 2000

US average: $30,130

1990 – 2024

Per capita income

$21,155

−32%vs 2000

vs $31,315 in 2000

US average: $14,340

Poverty rate

2.7%

−0.9 ptsvs 2000

vs 3.6% in 2000

US average: 13.2%

Section 03

Housing

Median home value

$136,700

−4%inflation adjusted, since 2000

vs $187,600 in 2000

US average: $93,722

1990 – 2024

Median gross rent

$625

−2%inflation adjusted, since 2000

vs $837 in 2000

US average: $450

Owner-occupied

74.4%

−2.0 ptsvs 2000

vs 76.4% in 2000

25.6% rent

Section 04

Race & ethnicity

2000

White, non-Hispanic78.7%(711,966)

Black3%(26,977)

Hispanic / Latino9%(81,366)

Asian7.8%(70,908)

Other0%

1990

White, non-Hispanic91.5%(715,304)

Black2%(15,354)

Hispanic / Latino4.2%(32,795)

Asian5.1%(39,841)

Other1.4%(11,167)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

Hispanic origin

Mexican11.9%(111,018)

Puerto Rican1.2%(11,296)

South American1.2%(10,799)

Central American0.9%(7,932)

Guatemalan0.6%(5,425)

Cuban0.4%(3,349)

Colombian0.4%(3,349)

Venezuelan0.3%(2,512)

Ecuadorian0.2%(1,891)

Spaniard0.1%(1,340)

Argentine0.1%(1,064)

Honduran0.1%(996)

+ 10 more hispanic origin groups with data

Peruvian0.1%(945)

Salvadoran0.1%(790)

Dominican0.1%(563)

Bolivian0%(375)

Panamanian0%(331)

Nicaraguan0%(277)

Chilean0%(239)

Uruguayan0%(187)

Costa Rican0%(113)

Paraguayan0%(63)

Asian origin

Asian Indian6.2%(57,318)

Filipino1.9%(17,649)

Chinese1.5%(13,585)

Pakistani1.2%(11,228)

Korean0.5%(4,437)

Vietnamese0.4%(3,872)

Burmese0.2%(1,902)

Taiwanese0.2%(1,421)

Japanese0.1%(1,346)

Cambodian0.1%(667)

Kazakh0.1%(653)

Thai0.1%(518)

+ 11 more asian origin groups with data

Laotian0.1%(489)

Bangladeshi0%(456)

Sri Lankan0%(413)

Indonesian0%(330)

Nepalese0%(313)

Uzbek0%(268)

Mongolian0%(225)

Bhutanese0%(136)

Malaysian0%(25)

Singaporean0%(25)

Hmong0%(23)

Pacific Islander origin

Native Hawaiian0%(266)

Tongan0%(150)

Chamorro0%(141)

Samoan0%(123)

Ancestry

German16.1%(149,515)

Irish13%(121,296)

Italian9.9%(91,609)

Polish9.7%(89,772)

English6.2%(57,944)

American2.6%(24,483)

Swedish2.1%(19,238)

Czech1.5%(14,192)

French1.5%(13,733)

Norwegian1.3%(12,063)

Dutch1.3%(12,020)

Greek1.2%(11,484)

+ 51 more ancestry groups with data

Scottish1.2%(11,398)

Lithuanian1%(9,626)

Arab1%(9,165)

Ukrainian0.9%(8,013)

Russian0.7%(6,840)

Subsaharan African0.7%(6,645)

Croatian0.5%(4,554)

Scotch-Irish0.5%(4,537)

Slovak0.4%(3,933)

Serbian0.4%(3,709)

Danish0.4%(3,623)

Romanian0.4%(3,528)

Austrian0.4%(3,445)

Hungarian0.4%(3,270)

Welsh0.3%(3,130)

British0.3%(2,947)

Swiss0.3%(2,426)

French Canadian0.3%(2,376)

West Indian0.2%(2,084)

Lebanese0.2%(1,983)

Bulgarian0.2%(1,674)

Egyptian0.2%(1,665)

Iranian0.2%(1,569)

Palestinian0.2%(1,503)

Jamaican0.2%(1,476)

Belgian0.1%(1,363)

Finnish0.1%(1,330)

Macedonian0.1%(1,287)

Canadian0.1%(1,223)

Portuguese0.1%(1,154)

Slovene0.1%(1,119)

Armenian0.1%(1,079)

Turkish0.1%(1,033)

Nigerian0.1%(887)

Syrian0.1%(861)

Ghanaian0.1%(846)

Iraqi0.1%(724)

Jordanian0.1%(707)

Latvian0.1%(564)

Brazilian0.1%(477)

Israeli0%(440)

Ethiopian0%(401)

Moroccan0%(399)

Australian0%(263)

Haitian0%(257)

Somali0%(164)

Trinidadian & Tobagonian0%(125)

Guyanese0%(49)

Kenyan0%(48)

Barbadian0%(19)

Cape Verdean0%(7)

RANKED:Largest German population · Largest Irish population · Largest Mexican population · Largest Italian population · Largest Polish population

Section 05

Education

Bachelor's degree or higher

36.0%

−5.7 ptsvs 2000

vs 41.7% in 2000

US average: 20.3%

High school or higher

88.6%

−1.5 ptsvs 2000

vs 90.0% in 2000

US average: 75.2%

Graduate degree

12.0%

−2.9 ptsvs 2000

vs 14.8% in 2000

US average: 7.1%

Section 06

Commute & transportation

Average commute

25.7 min

+21%vs 2000

vs 21.3 min in 2000

US average: 21.9

Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Marital status (2024)

Men 15+

Never married33.7%(126,081)

Married57.5%(215,422)

Widowed2.2%(8,328)

Divorced6.6%(24,782)

Women 15+

Never married28.1%(108,731)

Married54.2%(209,828)

Widowed7.9%(30,640)

Divorced9.9%(38,237)

SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024

Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

Uninsured

5.2%

−4.2 ptssince 2013

from 9.4% in 2013

US average: 8.4%

Employer-based

67.2%

−1.1 ptssince 2020

from 68.3% in 2020

US average: 54.8%

Direct-purchase

13.4%

−1.1 ptssince 2020

from 14.5% in 2020

US average: 13.8%

Medicare

16.9%

+1.6 ptssince 2020

from 15.3% in 2020

US average: 18.4%

Medicaid

11.7%

+1.1 ptssince 2020

from 10.6% in 2020

US average: 20.9%

VA health care

0.9%

−0.2 ptssince 2020

from 1.1% in 2020

US average: 2.2%

Any private

78.1%

−2.1 ptssince 2020

from 80.2% in 2020

US average: 67.1%

Any public

27.0%

+2.3 ptssince 2020

from 24.7% in 2020

US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024

Gulf War (2001 or later)19.3%(4,859)

US avg: 26.4%

Gulf War (1990s)16%(4,015)

US avg: 24.3%

Vietnam era38.5%(9,699)

US avg: 33.1%

Korean War5.9%(1,477)

US avg: 4.5%

World War II1.4%(349)

US avg: 1%

Share of the 25,169 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

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