US Census Data

DuPage County vs Lake County

A side-by-side comparison of DuPage County and Lake County: population, income, housing, and more.

DuPage County and Lake County are counties in Illinois. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

DuPage County has the higher population (927,263 vs 711,885 in Lake County). DuPage County has the higher median household income ($110,502 vs $108,917 in Lake County). DuPage County has the higher median home value ($374,100 vs $326,600 in Lake County).

Population, income & housing

DuPage CountyLake County
Population927,263711,885
Median age40.0 yrs38.9 yrs
Median household income$110,502$108,917
Median home value$374,100$326,600
Median gross rent$1,628$1,434
Housing units366,099270,083
Homeownership rate73.1%74.4%
Bachelor's degree or higher51.4%47.0%
Unemployment rate4.8%5.1%

Trends (ACS 5-year, 2019–2023)

DuPage CountyLake County
Population929,060 → 927,263 (-0.2%)701,473 → 711,885 (+1.5%)
Median household income$92,809 → $110,502 (+19.1%)$89,427 → $108,917 (+21.8%)
Median home value$308,500 → $374,100 (+21.3%)$265,100 → $326,600 (+23.2%)
Median gross rent$1,316 → $1,628 (+23.7%)$1,197 → $1,434 (+19.8%)

DuPage County

Population
929,060927,263
Median household income
$92,809$110,502
Median home value
$308,500$374,100
Median gross rent
$1,316$1,628

Lake County

Population
701,473711,885
Median household income
$89,427$108,917
Median home value
$265,100$326,600
Median gross rent
$1,197$1,434

Age & race/ethnicity

Age distribution (share)

DuPage CountyLake County
Under 55.6%5.4%
5 to 1716.8%18.2%
18 to 248.3%10.2%
25 to 3412.3%11.3%
35 to 4413.6%12.8%
45 to 5412.9%13.3%
55 to 6413.7%13.5%
65 to 7410.1%9.3%
75 and over6.7%6.0%

Race & ethnicity (share)

DuPage CountyLake County
White (non-Hispanic)63.1%57.1%
Black or African American4.9%6.3%
American Indian & Alaska Native0.0%0.1%
Asian12.6%8.4%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.4%0.6%
Two or more races3.2%3.1%
Hispanic or Latino15.7%24.4%

Educational attainment (age 25+)

Share of adults 25+

DuPage CountyLake County
No high school diploma6.8%9.4%
High school graduate18.1%19.7%
Some college or associate's23.6%24.0%
Bachelor's degree30.5%27.4%
Graduate or professional degree21.0%19.5%

Commute to work

How workers get to work (share)

DuPage CountyLake County
Drove alone66.5%68.0%
Carpooled6.8%8.4%
Public transit4.5%2.8%
Walked1.4%2.0%
Bicycle0.2%0.1%
Worked from home19.4%17.3%
Other means1.2%1.4%

Housing

Units in structure (share)

DuPage CountyLake County
1-unit, detached58.4%66.4%
1-unit, attached12.0%10.4%
2 to 4 units4.6%5.8%
5 to 19 units12.5%8.1%
20 or more units12.1%7.7%
Mobile home & other0.3%1.7%

Poverty & households

DuPage CountyLake County
Poverty rate6.4%8.1%
Average household size2.622.70
Mean commute (minutes)2829
Median year structure built19781982

Full profiles

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