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Market insights · Illinois

DuPage County, IL: growth, migration and housing

DuPage County has 934,298 residents, up 0.3% since 2020 (+0.2% in the last year). In 2022–2023, 24,637 households moved in and 28,204 moved out (-3,567 net), while a net $356.8M of income left. Median household income is $112,096, the median home $391,400 and median rent $1,688 a month.

Population (2025)934,298
5-year growth+0.3%
1-year growth+0.2%
Net households moving in-3,567
Per 1,000 residents-3.8
Net income moving in-$356.8M
Median household income$112,096
Median home value$391,400
Median rent$1,688/mo
Rent as share of income18%

In Illinois: 16th of 102 counties for 5-year population growth · 86th of 102 counties for net in-migration (per resident) · 1st of 102 counties for median household income · 1st of 102 counties for median home value.

Where new residents came from

Top counties by households (tax returns) moving to DuPage County, 2022–2023 (IRS).

FromHouseholds (tax returns)Their income (AGI)
Cook County, IL11,143$1237.6M
Will County, IL2,388$222.2M
Kane County, IL1,715$122.3M
Kendall County, IL523$39.7M
Lake County, IL397$42.2M
McHenry County, IL250$19.1M
Maricopa County, AZ198$15.3M
DeKalb County, IL193$9.1M

Where leavers went

Top counties by households leaving DuPage County, 2022–2023 (IRS).

ToHouseholds (tax returns)Their income (AGI)
Cook County, IL8,374$716.7M
Will County, IL2,877$262.1M
Kane County, IL2,648$221.2M
Kendall County, IL967$78.9M
Lake County, IL523$48.7M
McHenry County, IL448$36.6M
Maricopa County, AZ432$73.7M
DeKalb County, IL256$15.8M

BizyFi in DuPage County

16 companies in the BizyFi directory are based here. Search them on the company map (company names with a free account), or browse Illinois companies.

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Sources: U.S. Census Bureau population estimates (vintage 2025), American Community Survey 5-year (2024), and IRS Statistics of Income county-to-county migration data (2022–2023). Migration counts are tax returns (roughly households) moving between U.S. counties; the IRS suppresses very small flows. Growth rates, per-1,000 figures, rent share and state ranks are BizyFi calculations. Data updated 2026-10-17. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.