Fox River town in suburban Chicago in autumn
County in Illinois

DuPage County

DuPage County has the highest median household income in Illinois ($112,096) and the most expensive homes (median value $391,400).

DuPage County is home to 937,142 people (2024 estimate) on 328 square miles of land. This page brings together official U.S. Census Bureau population estimates since 2000, the components of change—births, deaths and migration—American Community Survey indicators on income, housing, poverty and education, BEA economic accounts and BLS unemployment.

Key indicators

Population
937,142
July 1, 2024 estimate
2020 Census base
933,031
April 1, 2020
Change since 2020
+0.4%
2020–2024
Land area
328 mi²
849 km²
Population density
2,858.6 /mi²
2024 estimate ÷ land area
Births
9,658
Year to July 1, 2024
Deaths
6,736
Year to July 1, 2024
Natural change
+2,922
Births minus deaths, 2024
Net migration
+4,966
Domestic + international, 2024
Per capita personal income
$98,481
BEA, 2024
Gross domestic product
$129.7 billion
BEA, current dollars, 2024
Median household income
$112,096
ACS 2020–2024 5-year
Poverty rate
6.6%
ACS 2020–2024 5-year
Bachelor’s degree or higher
51.8%
Age 25+, ACS 2020–2024 5-year
Foreign-born residents
20.5%
ACS 2020–2024 5-year
Median home value
$391,400
ACS 2020–2024 5-year
Unemployment rate
4.3%
BLS annual average, 2024

Historical data

Pick an indicator to see its long-run evolution.

Population

2000–2024
937,142▲ 3%

U.S. Census Bureau: intercensal estimates 2000–2009, Vintage 2020 (2010–2019) and Vintage 2024 (2020–2024), July 1.

Data summary

IndicatorValueYear and source
Population estimate937,1422024 · U.S. Census Bureau
Population, 2010 Census916,9242010 · U.S. Census Bureau
Population, 2000906,284July 1, 2000 · Census intercensal
Change since 2000+3.4%2000–2024 · Census
International migration+11,5672024 · Census Vintage 2024
Domestic migration−6,6012024 · Census Vintage 2024
Birth rate10.3 per 1,0002024 · calculated
Death rate7.2 per 1,0002024 · calculated
Population rank in Illinois2nd of 1022024 · calculated
Per capita personal income$98,481BEA, 2024 · official
Gross domestic product$129.7 billionBEA, current dollars, 2024 · official
Median household income$112,096ACS 2020–2024 5-year · official
Poverty rate6.6%ACS 2020–2024 5-year · official
Bachelor’s degree or higher51.8%Age 25+, ACS 2020–2024 5-year · official
Foreign-born residents20.5%ACS 2020–2024 5-year · official
Median home value$391,400ACS 2020–2024 5-year · official
Median gross rent$1,688/monthACS 2020–2024 5-year · official
Median age40.2 yearsACS 2020–2024 5-year · official
Households350,758ACS 2020–2024 5-year · official
Owner-occupied homes73.1%ACS 2020–2024 5-year · official

DuPage County in context

Comparable indicators for DuPage County, Illinois and the United States.

IndicatorCountyIllinoisU.S.Reference
Population change 2020–2024+0.4%−0.9%+2.6%Census Vintage 2024
Birth rate (per 1,000)10.39.910.62024
Death rate (per 1,000)7.29.09.12024
Net migration rate (per 1,000)5.34.58.22024
Population density (/mi²)2858.6229.096.32024
Per capita personal income$98,481$74,522$73,204BEA, 2024
Median household income$112,096$83,390$80,734ACS 2020–2024 5-year
Poverty rate6.6%11.8%12.5%ACS 2020–2024 5-year
Bachelor’s degree or higher51.8%37.8%35.7%Age 25+, ACS 2020–2024 5-year
Foreign-born residents20.5%14.7%14.1%ACS 2020–2024 5-year
Median home value$391,400$263,300$332,700ACS 2020–2024 5-year
Median gross rent$1,688/month$1,274/month$1,413/monthACS 2020–2024 5-year
Median age40.2 years39.0 years38.9 yearsACS 2020–2024 5-year
Owner-occupied homes73.1%67.1%65.2%ACS 2020–2024 5-year

Cities & towns

3 cities · choose how to order them

Did you know? DuPage County

2nd most populous of 102

With 937,142 residents in 2024, DuPage County ranks 2nd by population among Illinois's 102 counties and is home to 7.4% of the state's residents.

A quarter century of change

Its population went from 906,284 in 2000 to 937,142 in 2024, a change of +3.4%, compared with +2.2% for Illinois as a whole.

Births and deaths

In the year to July 2024 the county recorded 9,658 births and 6,736 deaths, so births outnumbered deaths by 2,922.

Record population

Annual Census estimates since 2000 put the county's highest population in 2024, at 937,142.

2nd in density

DuPage County has about 2858.6 residents per square mile of land, ranking 2nd of 102 counties; Illinois averages 229.0.

Household income rank

With a median household income of $112,096 (ACS 2020–2024 5-year), the county ranks 1st of 102 Illinois counties; the state median is $83,390.

Size of the economy

Its economy produced $129.7 billion of GDP in 2024 (BEA), 2nd largest among 102 Illinois counties.

Latest economic growth

Real GDP grew 0.5% in 2024, adjusted for inflation (BEA, chained 2017 dollars).

Sources and methodology