Willowbrook, IL Profile: Facts, Map & Data


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Willowbrook, Illinois - Basic Facts

The Willowbrook Census Designated Place had a population of 2,056 as of July 1, 2017. Willowbrook ranks in the upper quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Illinois. See peer rankings below.

The primary coordinate point for Willowbrook is located at latitude 41.4535 and longitude -87.5382 in Will County. The formal boundaries for the Willowbrook Census Designated Place (see map below) encompass a land area of 3.34 sq. miles and a water area of 0.02 sq. miles. Will County is in the Central time zone (GMT -6). The elevation is 715 feet.

The Willowbrook Census Designated Place (GNIS ID: 2393860) has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

The Willowbrook Census Designated Place is located within Township of Crete, a minor civil division (MCD) of Will County.

Beneath the boundary map are tables with Willowbrook population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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Willowbrook Census Designated Place, IL Boundary Map

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Boundary Maps: Township of Crete | Will County | Illinois Counties

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


Total Population 2,056
Daytime Population: Workers 153
Daytime Population: Residents 1,072
Total Daytime Population (TDP) 1,225
Ratio TDP/Total Population1 0.60
Population in Households 2,053
Population in Familes 1,834
Population in Group Qrtrs 3
Population Density2 617
Diversity Index3 59


Median Household Income $101,588
Average Household Income $121,347
Per Capita Income $44,440


Total Housing Units 785 (100%)
Owner Occupied HU 703 (89.6%)
Renter Occupied HU 41 ( 5.2%)
Vacant Housing Units 41 ( 5.2%)
Median Home Value $281,250
Average Home Value $306,321


Total Households 744
Average Household Size 2.76
Family Households 603
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 -0.13% 0.03%
Households -0.02% 0.11%
Families -0.25% 0.07%
Median Household Income   1.07%
Per Capita Income   2.08%

Willowbrook, IL - Peer Comparisons by Rank and Percentile

The table below compares Willowbrook to the other 1,368 incorporated cities, towns and CDPs 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 # 503 63rd
Population Density # 1002 27th
Diversity Index # 117 92nd
Median Household Income # 71 95th
Per Capita Income # 84 94th

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

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