DuPage County IL Information


DuPage County Subdivisions

DuPage County IL Data & Demographics (As of July 1, 2018)


Total Population 934,648
Population in Households 921,771
Population in Familes 782,412
Population in Group Qrtrs 12,877
Population Density1 2,854
Diversity Index2 57


Median Household Income $86,178
Average Household Income $115,426
Per Capita Income $42,969


Total Housing Units 362,625 (100%)
Owner Occupied HU 245,753 (67.8%)
Renter Occupied HU 98,268 (27.1%)
Vacant Housing Units 18,604 ( 5.1%)
Median Home Value $314,228
Average Home Value $386,488


Total Households 344,021
Average Household Size 2.68
Family Households 239,825
Average Family Size 3
  1. Population Density = Total Population per square mile.
  2. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.23% 0.21%
Households 0.25% 0.23%
Families 0.09% 0.13%
Median Household Income   1.43%
Per Capita Income   1.88%


DuPage County IL - Peer Comparisons by Rank and Percentile

The table below compares DuPage County to the other 102 counties and county equivalents in Illinois by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 2 99th
Population Density # 2 99th
Diversity Index # 5 96th
Median Household Income # 3 98th
Per Capita Income # 2 99th

Additional comparisons and rankings can be made with a VERY EASY TO USE Illinois Census Data Comparison Tool.