Will County IL Information


Will County Subdivisions

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


Total Population 697,215
Daytime Population: Workers 259,110
Daytime Population: Residents 347,640
Total Daytime Population (TDP) 606,750
Ratio TDP/Total Population1 0.87
Population in Households 688,101
Population in Familes 607,613
Population in Group Qrtrs 9,114
Population Density2 833
Diversity Index3 61


Median Household Income $81,279
Average Household Income $100,522
Per Capita Income $33,714


Total Housing Units 244,499 (100%)
Owner Occupied HU 187,523 (76.7%)
Renter Occupied HU 43,849 (17.9%)
Vacant Housing Units 13,127 ( 5.4%)
Median Home Value $232,872
Average Home Value $271,711


Total Households 231,372
Average Household Size 2.97
Family Households 177,326
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 0.4% 0.46%
Households 0.37% 0.45%
Families 0.26% 0.38%
Median Household Income   1.77%
Per Capita Income   2.26%


Will County IL - Peer Comparisons by Rank and Percentile

The table below compares Will 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 # 4 97th
Population Density # 5 96th
Diversity Index # 4 97th
Median Household Income # 4 97th
Per Capita Income # 6 95th

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