COUNTY · 1990 CENSUS
DuPage County
Illinois · 781,666 residents · 327.835 sq mi
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Part of the Chicago metro area
The short version
DuPage County is significantly wealthier than the US average, with a median household income of $48,876. Population has declined 14% since 2000. 36% of adults hold a bachelor's degree or higher, well above the national rate of 20%. Median home value is $136,700. Poverty is rare here, at 2.7% of residents. Households here earn about 52% more than the Illinois median.
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
Population, 1990 – 2024
2024930K
Age distribution, 1990
Under 58.1%(63,564)
5 to 97.6%(59,772)
10 to 146.7%(52,693)
15 to 196.4%(49,893)
20 to 246.8%(53,423)
25 to 3419.6%(153,252)
35 to 4417.4%(135,911)
45 to 5411.2%(87,447)
55 to 647.4%(58,077)
65 to 745.2%(40,783)
75 to 842.6%(20,362)
85 and over0.8%(6,489)
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy
$48,876
−5%inflation adjusted, since 2000
vs $67,887 in 2000
US average: $30,130
1990 – 2024
Section 03
Housing
$136,700
−4%inflation adjusted, since 2000
vs $187,600 in 2000
US average: $93,722
1990 – 2024
RELATED:See current rent listings in DuPage County on RentDataNow
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)
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)
Section 05
Education
High school or higher
88.6%
−1.5 ptsvs 2000
vs 90.0% in 2000
US average: 75.2%
Section 06
Commute & transportation
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
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Compare DuPage County to nearby counties
DUPAGE COUNTY VS
Kane County
Income$103,163+111%
Home value$327,000+139%
Population525,757−44%
SEE FULL COMPARISON →
DUPAGE COUNTY VS
Cook County
Income$83,498+71%
Home value$324,500+137%
Population5,194,625+456%
SEE FULL COMPARISON →
DUPAGE COUNTY VS
Kendall County
Income$111,601+128%
Home value$322,400+136%
Population145,470−84%
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DUPAGE COUNTY VS
Lake County
Income$110,416+126%
Home value$345,700+153%
Population719,339−23%
SEE FULL COMPARISON →
Frequently asked
How many people live in DuPage County, Illinois?
DuPage County, Illinois has about 781,666 residents according to the 1990 Census.
What is the median household income in DuPage County, Illinois?
The typical household in DuPage County, Illinois earns about $48,876 a year. Half of households make more than that, and half make less.
Is DuPage County, Illinois expensive?
In DuPage County, Illinois, the median home is worth about $136,700, and the typical rent is about $625 a month.
How educated are people in DuPage County, Illinois?
About 36.0% of adults age 25 and over in DuPage County, Illinois hold a bachelor's degree or higher.
What is the poverty rate in DuPage County, Illinois?
About 2.7% of people in DuPage County, Illinois live below the federal poverty line.
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219 census tracts (top 20 by population)
Census Tract 8414.01Census Tract 8462.02Census Tract 8458.07Census Tract 8465.09Census Tract 8417.05Census Tract 8464.04Census Tract 8413.14Census Tract 8401.04Census Tract 8462.01Census Tract 8402.01Census Tract 8412.06Census Tract 8401.03Census Tract 8411.02Census Tract 8429Census Tract 8421Census Tract 8413.07Census Tract 8443.06Census Tract 8465.04Census Tract 8408.02Census Tract 8442.0137 ZIP codes (top 30 by population)
ZIP 60148ZIP 60126ZIP 60188ZIP 60540ZIP 60103ZIP 60565ZIP 60504ZIP 60563ZIP 60137ZIP 60101ZIP 60133ZIP 60185ZIP 60517ZIP 60139ZIP 60189ZIP 60181ZIP 60515ZIP 60527ZIP 60187ZIP 60532ZIP 60516ZIP 60559ZIP 60172ZIP 60108ZIP 60502ZIP 60561ZIP 60106ZIP 60521ZIP 60555ZIP 60191Up the hierarchy
All counties in IllinoisDATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024