DuPage County, Illinois Population 2021

DuPage County, Illinois's estimated population is 914,269 with a growth rate of -0.47% in the past year according to the most recent United States census data. DuPage County, Illinois is the null largest county in Illinois. The 2010 Population was 917,983 and has seen a growth of -0.40% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Growth Rate
2021914,269-4,326-0.47%
2020918,595-4,326-0.47%
2019922,921-4,326-0.47%
2018927,247-3,018-0.32%
2017930,265-991-0.11%
2016931,256-2,353-0.25%
2015933,6091840.02%
2014933,4251,1940.13%
2013932,2313,5650.38%
2012928,6663,8350.41%
2011924,8316,8480.75%
2010917,983136,31717.44%
1990781,666122,83118.64%
1980658,835166,95333.94%
1970491,882178,42356.92%
1960313,459158,860102.76%
1950154,59951,11949.40%
1940103,48011,48212.48%
193091,99849,878118.42%
192042,1208,68825.99%
191033,4325,23618.57%
190028,1965,64525.03%
189022,5513,39017.69%
188019,1612,47614.84%
187016,6851,98413.50%
186014,7015,41158.25%
18509,2905,755162.80%
18403,5350.00%
2021 Growth Rate
-0.47%
County Website
Founded
February 9, 1839
County Seat
2010 Population
917,983
Growth Since 2010
-0.40%
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DuPage County, Illinois Population Growth

Population by Race

Race Population Percentage
White713,70776.82%
Asian110,16311.86%
Black or African American44,7554.82%
Some Other Race31,6693.41%
Two or More Races26,3282.83%
American Indian and Alaska Native2,0160.22%
Native Hawaiian and Other Pacific Islander4220.05%
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DuPage County, Illinois Population By Race

DuPage County, Illinois Population Pyramid 2021

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DuPage County, Illinois Median Age

39.3


Total

38


Male

40.6


Female

DuPage County, Illinois Adults

There are 716,576 adults, (139,388 of whom are seniors) in DuPage County, Illinois.

DuPage County, Illinois Age Dependency

61

Age Dependency Ratio

24.1

Old Age Dependency Ratio

36.8

Child Dependency Ratio

DuPage County, Illinois Sex Ratio

Mujer

472,851

50.90%

Masculino

456,209

49.10%

DuPage County, Illinois Population by Age

DuPage County, Illinois Renter vs Owner Occupied by Household Type

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DuPage County, Illinois Household Types

Type Owner Renter
Married85.8%14.2%
All73.4%26.6%
Masculino59.2%40.8%
Non Family57%43%
Mujer55%45%

73.4%

Rate of Home Ownership

DuPage County, Illinois Households and Families

Type Count Average Size Owned
All342,7912.6773.4
Married196,0153.3185.8
Non Family103,6311.2257
Mujer31,3063.2455
Masculino11,8393.2459.2

3.25

Average Family Size

2.67

Average Household Size

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DuPage County, Illinois Households by Type

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Education Attained Count Percentage
Less Than 9th Grade22,8753.60%
9th to 12th Grade21,6083.40%
High School Graduate115,98618.25%
Some College114,85218.07%
Associates Degree46,4177.30%
Bachelors Degree189,38629.79%
Graduate Degree124,55919.59%
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DuPage County, Illinois Educational Attainment by Sex (over 25)

DuPage County, Illinois Educational Attainment by Race

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Race Total High School Bachelors
White450,362435,753232,671
Asian77,05870,85854,401
Hispanic72,26151,16213,317
Black27,80725,7099,464
Other Race17,95711,3971,952
2+ Races10,1199,2004,297
Native American1,1531,009267
Islander252220131

The highest rate of high school graduation is among white people with a rate of 96.76%.

The highest rate of bachelors degrees is among asian people with a rate of 70.60%.

DuPage County, Illinois Educational Attainment by Race

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Name Average Masculino Mujer
Overall$53,376$65,767$41,788
Less Than 9th Grade$26,769$31,774$20,110
High School Graduate$35,753$44,309$28,257
Some College$43,310$53,662$34,904
Bachelors Degree$64,379$82,463$49,780
Graduate Degree$87,056$109,505$68,186

$53,376

Average Earnings

$65,767

Average Male

$41,788

Average Female

DuPage County, Illinois Earnings by Educational Attainment

DuPage County, Illinois Language by Age

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DuPage County, Illinois Language

72.51% of DuPage County, Illinois residents speak only English, while 27.49% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 10.75% of the population.

DuPage County, Illinois Language

DuPage County, Illinois Poverty by Race

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Name Total In Poverty Poverty Rate
White612,16627,3124.46%
Hispanic130,98014,48311.06%
Black43,8037,80617.82%
Asian109,3627,1386.53%
Other31,3844,81515.34%
Multiple25,9882,2368.60%
Native2,0001959.75%
Islander421204.75%

6.37%

Overall Poverty Rate

5.61%

Male Poverty Rate

7.11%

Female Poverty Rate

Poverty in DuPage County, Illinois

The race most likely to be in poverty in DuPage County, Illinois is Black, with 17.82% below the poverty level.

The race least likely to be in poverty in DuPage County, Illinois is White, with 4.46% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.28%. Among those working part-time, it was 8.87%, and for those that did not work, the poverty rate was 11.42%.

DuPage County, Illinois Poverty

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Name Poverty
Less Than 9th Grade13.31%
High School7.99%
Some College6.31%
Bachelors or Greater2.96%

DuPage County, Illinois Poverty Rate by Education

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Name Poverty
Male Unemployed20.74%
Female Unemployed18.08%
Female Employed3.87%
Male Employed2.81%

DuPage County, Illinois Poverty Rate by Employment Status and Sex

DuPage County, Illinois Income by Household Type

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Name Median Mean
Households$92,809$123,178
Families$114,001$145,928
Married Families$126,681$160,753
Non Families$50,860$67,003
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Income by Household Type

DuPage County, Illinois Marital Status

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Marriage Rates

55.6%

Overall Marriage Rate

57.5%

Male Marriage Rate

53.8%

Female Marriage Rate

DuPage County, Illinois Married by Age and Sex

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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 45-54.

DuPage County, Illinois Marital Status by Race

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DuPage County, Illinois Marital Status

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31,838

Number of Veterans

30,156

Male Veterans

1,682

Female Veterans

War Veterans
Vietnam12,433
First Gulf War4,241
Second Gulf War4,230
Korea3,097
World War II1,756

DuPage County, Illinois Veterans by War

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Age Group Veterans
65 to 749,941
75+9,486
35 to 545,970
55 to 644,368
18 to 342,073

DuPage County, Illinois Veterans by Age

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Name Veterans % of Total
White28,4435.06%
Hispanic2,0682.37%
Black1,5664.72%
Asian8691.02%
2+ Races5193.99%
Other Race3571.66%
Native American725.57%
Islander124.46%

DuPage County, Illinois Veterans by Race

DuPage County, Illinois Veterans by Education

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3.92%

Veteran Poverty Rate

23.80%

Veteran Disability Rate

DuPage County, Illinois Veterans by Education

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69.1%

Labor Force Participation

66.2%

Employment Rate

4.1%

Unemployment Rate

DuPage County, Illinois Employment by Age

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DuPage County, Illinois Employment by Race

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DuPage County, Illinois Employment by Education

Origin of Non-Citizens

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

Origin of Naturalized Citizens

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63.33%

Born in DuPage County, Illinois

80.88%

Native Born

19.12%

Foreign Born

7.88%

Non Citizen

11.23%

Naturalized

Place of Birth

80.88% of DuPage County, Illinois residents were born in the United States, with 63.33% having been born in Illinois. 7.88% 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

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990

Sources