DuPage County, IL demographics:
population, income, and more

Total population
930,024
0.3% year-over-year change
Median household income
$112,096/yr
1.4% year-over-year change
Housing units
367,152
0.3% year-over-year change

Dupage County population

How many people live in Dupage County

Dupage County is home to 930,024 residents, according to the most recent Census data. Gender-wise, 49.5% of Dupage County locals are male, and 50.5% are female.

Total population
930,024
0.3% year-over-year change
Gender ratio
Male
49.5%
460,522
Female
50.5%
469,502
Value Percent YoY change
Male 460,522 49.5% 0.3%
Female 469,502 50.5% 0.3%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Dupage County is 40, with the population distributed as follows: about 18.1% are children under 15, then 12.4% are in the 15 to 24 age group. Adults between 25 and 44 make up 26.1% of the population, while another 26.2% fall into the 45 to 64 bracket. Finally, around 17.3% are 65 or older.

Median age
40.2
Age breakdown
Under 15
18.1%
15 to 24
12.4%
25 to 44
26.1%
45 to 64
26.2%
Over 65
17.3%
Value Percent YoY change
Under 15 167,975 18.1% -0.7%
15 to 24 115,108 12.4% -0.1%
25 to 44 242,436 26.1% 1.0%
45 to 64 243,265 26.2% -1.4%
Over 65 161,240 17.3% 3.3%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Dupage County, 78.2% of the population are US-born citizens, while 13.3% have gained naturalized citizenship. At the same time, 8.6% of residents are non-citizens. As for race, 64.8% of locals are Caucasian, 5% are African American and 13% have Asian roots. There’s also a share of 10.8% that includes residents with two or more races.

Citizenship
U.S.-born citizens
78.2%
Non-U.S.-born citizens
13.3%
Non-citizens
8.6%
Value Percent YoY change
U.S.-born citizens 727,063 78.2% -0.1%
Non-U.S.-born citizens 123,345 13.3% 1.1%
Non-citizens 79,616 8.6% 2.9%
Racial breakdown
White
64.8%
Black or African American
5%
American Indian and Alaska Native
0.4%
Asian
13%
Native Hawaiian and other Pacific Islander
0%
Two or more races
10.8%
Other
6%
Value Percent
White 602,548 64.8%
Black or African American 46,090 5%
American Indian and Alaska Native 4,229 0.4%
Asian 121,134 13%
Native Hawaiian and other Pacific Islander 273 0%
Two or more races 100,060 10.8%
Other 55,690 6%

Households in Dupage County

A peek inside Dupage County households

Dupage County has 350,758 households, with an average of 3 members in each. Of these, 69.6% are families, while the remaining 30.4% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
350,758
0.4% year-over-year change
Average people per household
3
Non-family households
106,600
Family households
244,158
Value Percent YoY change
Non-family households 106,600 30.4% 1.1%
Family households 244,158 69.6% 0.0%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Dupage County

The housing landscape of Dupage County

Dupage County's housing consists of 367,152 units, with 58.4% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 11.8% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 0.4% of the housing landscape.

Housing units
367,152
0.3% year-over-year change
Housing types
Value Percent
1 unit, detached 214,447 58.4%
1 unit, attached 43,497 11.8%
2 units 2,481 0.7%
3 or 4 units 14,578 4%
5 to 9 units 23,725 6.5%
10 to 19 units 21,318 5.8%
20 to 49 units 17,116 4.7%
50 or more units 28,604 7.8%
Mobile home 1,282 0.4%
Boat, RV, van, etc. 104 0%
Homes built since 2020
3,031
62.4% year-over-year change

The age of buildings in Dupage County

In Dupage County, the median construction year is 1978. About 5.3% of homes were built before the 1940s, with another 2.5% going up by 1949. Most development happened in the second half of the 20th century. Then, 9.3% of homes were added from 2000 to 2009, 4.7% between 2010 and 2019, and 0.8% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 19,376 5.3% -2.1%
Built between 1940 and 1949 9,273 2.5% -1.9%
Built between 1950 and 1959 36,271 9.9% -1.9%
Built between 1960 and 1969 47,665 13% -1.5%
Built between 1970 and 1979 83,740 22.8% -0.7%
Built between 1980 and 1989 62,927 17.1% -0.4%
Built between 1990 and 1999 53,523 14.6% -1.2%
Built between 2000 and 2009 34,117 9.3% 7.7%
Built between 2010 and 2019 17,229 4.7% 5.7%
Built in 2020 or later 3,031 0.8% 62.4%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Dupage County occupancy rates

Out of the 350,758 occupied housing units in Dupage County, 73.1% are owner-occupied, while 26.9% are lived in by tenants. Meanwhile, 4.5% of all homes on the local market sit vacant.

Occupied housing units
350,758
0.4% year-over-year change
Occupancy breakdown
Renter occupied
94,284
Owner occupied
256,474
Value Percent YoY
change
Renter occupied 94,284 26.9% 0.4%
Owner occupied 256,474 73.1% 0.3%
Unoccupied housing units
4.5%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Dupage County housing costs

Housing costs in Dupage County come to a median of $1,823 per month, while tenants specifically pay a median gross rent of $1,688.

Median housing costs per month
$1,823/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Dupage County
$1,688/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Dupage County

Dupage County education at a glance

About 23% of the population in Dupage County went to high school, while 18% pursued college studies. Another 7% earned an associate degree and 29.4% hold a bachelor’s. Meanwhile, 19.1% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 25,141 3.5% 6.1%
High school diploma 166,499 23% 0.2%
College diploma 130,239 18% -2.0%
Associate degree 50,880 7% 0.2%
Bachelor's degree 212,891 29.4% 1.2%
Graduate degree 138,299 19.1% 1.9%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Dupage County

How much people earn in Dupage County

The average annual household income in Dupage County was $152,117 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +1.8% change from the previous year. At the same time, the median income stood at $112,096, reflecting a +1.4% shift over the same period.

Average household income in Dupage County
$152,117/year
1.8% year-over-year change
Median household income in Dupage County
$112,096/year
1.4% year-over-year change

Dupage County income by age

In Dupage County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $122,355. Those with someone between 45 and 64 in charge, often well established professionally, earn $136,647 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $60,265, while those led by someone over 65, many of whom may be retired, have about $77,810 in earnings. Overall, 93.4% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $60,265 -2.4%
25 - 44 $122,355 2.4%
45 - 64 $136,647 1.7%
Over 65 $77,810 1.8%
Above poverty level
847,628
Below poverty level
59,444
Value Percent YoY
change
Above poverty level 847,628 93.4% 0.1%
Below poverty level 59,444 6.6% 2.2%

Employment in Dupage County

Workforce and job types in Dupage County

The job market in Dupage County is powered by 484,518 working residents, spread across a range of industries and roles. 83.4% of the working population are employed in professional or administrative positions, while 16.6% are in hands-on or service-based jobs. Also, 9.5% run their own businesses, 71.3% are employed by private companies, and 10.7% work in the public sector.

Workforce demographics

Working population
484,518
-0.1% year-over-year change
White collar
404,010
Blue collar
80,508
Value Percent YoY change
White collar 404,010 83.4% 0.1%
Blue collar 80,508 16.6% -0.8%
Employer type
Self employees
9.5%
Private companies
71.3%
Governmental workers
10.7%
Not for profit companies
8.5%
Value Percent YoY change
Self employees 46,076 9.5% 4.7%
Private companies 345,585 71.3% -1.4%
Governmental workers 51,842 10.7% 3.6%
Not for profit companies 41,015 8.5% 1.6%
Unemployment rate
4.9%
2.5% year-over-year change

Available workforce

The unemployment rate in Dupage County stands at 4.9%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Dupage County

How people get around in Dupage County

In Dupage County, the average commute time is 28 minutes. Commuting methods vary: 71.7% of residents travel by personal vehicle and 1.5% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
28 min
-1.1% year-over-year change
Means of transportation
Value Percent YoY change
Car 341,299 71.7% -2.2%
Taxicab 1,052 0.2% -10.0%
Bus or trolleybus 1,063 0.2% -14.1%
Subway or elevated 1,295 0.3% N/A
Railroad 15,904 3.3% -13.6%
Ferryboat 54 0% -19.4%
Motorcycle 118 0% -29.8%
Bicycle 1,115 0.2% -1.9%
Walk 7,348 1.5% 10.8%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Dupage County by zipcode?

Zipcode Population Number of households Median income Average income
60101 37,448 13,557 $90,800 $107,803
60103 41,382 14,392 $133,793 $153,121
60106 20,045 7,565 $79,456 $92,829
60108 23,604 9,339 $103,392 $136,765
60126 47,516 17,598 $147,566 $206,367
60133 36,732 11,233 $91,763 $106,523
60137 38,696 14,240 $137,658 $185,898
60139 32,848 11,221 $86,372 $109,934
60143 11,324 4,443 $114,420 $159,454
60148 52,596 20,423 $100,616 $124,699

Find your place

Explore more communities

FAQs about Dupage County demographics 

What is the total population of Dupage County?

Dupage County has a total population of 930,024 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +0.3% compared to a year ago.

What is the gender ratio in Dupage County?

The gender ratio in Dupage County is as follows:
  • 49.5% males (460,522 residents)
  • 50.5% females (469,502 residents)

What is the median age in Dupage County?

The median age in Dupage County is 40.2.

What is the age distribution of the population in Dupage County?

The age distribution in Dupage County is as follows:
  • Under 15: 18.1% (167,975 residents)
  • Ages 15-24: 12.4% (115,108 residents)
  • Ages 25-44: 26.1% (242,436 residents)
  • Ages 45-64: 26.2% (243,265 residents)
  • Over 65: 17.3% (161,240 residents)

What is the racial and ethnic makeup of Dupage County?

The racial and ethnic makeup of Dupage County is as follows:
  • White: 64.8% (602,548 residents)
  • Black or African American: 5% (46,090 residents)
  • American Indian and Alaska Native: 0.4% (4,229 residents)
  • Asian: 13% (121,134 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (273 residents)
  • Two or More Races: 10.8% (100,060 residents)
  • Other: 6% (55,690 residents)

What percentage of the population in Dupage County are U.S.-born citizens?

U.S.-born citizens represent 78.2% of the population in Dupage County.

How many housing units are there in Dupage County?

There are 367,152 housing units in Dupage County, reflecting a +0.3% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Dupage County and what is the average household size?

Dupage County has a total of 350,758 households, with an average of 3 people in each.

What is the median household income in Dupage County?

Dupage County has a median household income of $112,096, representing a +1.4% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Dupage County?

The employment rate is 95.1% in Dupage County, with a workforce of 484,518 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 83.4% (404,010 residents)
  • Blue-collar workers: 16.6% (80,508 residents)

Places of employment:
  • Self-employed: 9.5% (46,076 residents)
  • Private companies: 71.3% (345,585 residents)
  • Governmental workers: 10.7% (51,842 residents)
  • Not-for-profit companies: 8.5% (41,015 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025