DuPage County IL Information


DuPage County Subdivisions

DuPage County IL Data & Demographics (As of July 1, 2017)


Total Population 940,072
Daytime Population: Workers 598,330
Daytime Population: Residents 445,215
Total Daytime Population (TDP) 1,043,545
Ratio TDP/Total Population1 1.11
Population in Households 927,206
Population in Familes 784,915
Population in Group Qrtrs 12,866
Population Density2 2,871
Diversity Index3 57


Median Household Income $83,599
Average Household Income $113,107
Per Capita Income $41,995


Total Housing Units 363,509 (100%)
Owner Occupied HU 250,103 (68.8%)
Renter Occupied HU 94,936 (26.1%)
Vacant Housing Units 18,470 ( 5.1%)
Median Home Value $304,449
Average Home Value $369,954


Total Households 345,039
Average Household Size 2.69
Family Households 241,016
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. 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 0.34% 0.34%
Households 0.32% 0.33%
Families 0.17% 0.24%
Median Household Income   1.91%
Per Capita Income   2.13%


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, 2017 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.