DuPage County, Illinois Population 2023

937,662

DuPage County, Illinois's estimated 2023 population is 937,662 with a growth rate of 0.17% in the past year according to the most recent United States census data. DuPage County, Illinois is the 2nd largest county in Illinois. The 2010 population was 916,924 and has seen a growth of 2.26% since that time.

Note: data after 2021 is projected based on recent change

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2023 Growth Rate
0.17% (1,595)
County Website
DuPage County
Founded
February 9, 1839
County Seat
Wheaton
2010 Population
916,924
Growth Since 2010
2.26% (20,738)

DuPage County, Illinois Population 2023

Population by Race

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White

Asian

Two or more races

Black or African American

Other race

Native American

Native Hawaiian or Pacific Islander

DuPage County, Illinois Population by Race

DuPage County, Illinois Population Pyramid 2023

DuPage County, Illinois Median Age

39.7

Total

38.6

Male

40.8

Female

DuPage County, Illinois Adults

There are 721,393 adults, (146,886 of whom are seniors) in DuPage County, Illinois.

DuPage County, Illinois Age Dependency

62.6

Age Dependency Ratio

25.6

Old Age Dependency Ratio

37

Child Dependency Ratio

DuPage County, Illinois Sex Ratio

Female472,24350.56%
Male461,85149.44%

DuPage County, Illinois Population by Age

DuPage County, Illinois Renter vs Owner Occupied by Household Type

3.2

Average Family Size

2.65

Average Household Size

73.2%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

DuPage County, Illinois Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

DuPage County, Illinois Educational Attainment by Sex (over 25)

DuPage County, Illinois Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among islander people with a rate of 89.43%.

The highest rate of bachelors degrees is among asian people with a rate of 61.91%.

DuPage County, Illinois Educational Attainment by Race

All

Male

Female

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$57,828

Average Earnings

$71,756

Average Male

$45,858

Average Female

DuPage County, Illinois Earnings by Educational Attainment

DuPage County, Illinois Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

DuPage County, Illinois Language

71.63% of DuPage County, Illinois residents speak only English, while 28.37% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 11.3% of the population.

DuPage County, Illinois Language

DuPage County, Illinois Poverty by Race

rate

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6.11%

Overall Poverty Rate

5.53%

Male Poverty Rate

6.67%

Female Poverty Rate

Poverty in DuPage County, Illinois

The race most likely to be in poverty in DuPage County, Illinois is Black, with 18.48% below the poverty level.

The race least likely to be in poverty in DuPage County, Illinois is Islander, with 5.28% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.2%. Among those working part-time, it was 8.06%, and for those that did not work, the poverty rate was 11.95%.

DuPage County, Illinois Poverty

rate

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DuPage County, Illinois Poverty Rate by Education

rate

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DuPage County, Illinois Poverty Rate by Employment Status and Sex

DuPage County, Illinois Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

DuPage County, Illinois Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

55.8%

Overall Marriage Rate

57.8%

Male Marriage Rate

53.9%

Female Marriage Rate

DuPage County, Illinois Married by Age and Sex

male

female

DuPage County, Illinois Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 35-44.

DuPage County, Illinois Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

DuPage County, Illinois Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

28,658

Number of Veterans

26,853

Male Veterans

1,805

Female Veterans

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DuPage County, Illinois Veterans by War

count

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DuPage County, Illinois Veterans by Age

count

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DuPage County, Illinois Veterans by Race

DuPage County, Illinois Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

5.15%

Veteran Poverty Rate

23.65%

Veteran Disability Rate

DuPage County, Illinois Veterans by Education

LaborForceParticipation

69.1%

Labor Force Participation

65.7%

Employment Rate

4.8%

Unemployment Rate

DuPage County, Illinois Employment by Age

LaborForceParticipation

DuPage County, Illinois Employment by Race

LaborForceParticipation

DuPage County, Illinois Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

63.16%

Born in DuPage County, Illinois

80.41%

Native Born

19.55%

Foreign Born

7.95%

Non Citizen

11.6%

Naturalized

Place of Birth

80.41% of DuPage County, Illinois residents were born in the United States, with 63.16% having been born in Illinois. 7.95% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

DuPage County, Illinois Place of Birth

Sources