Oakbrook Terrace, IL Profile: Facts, Map & Data


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Oakbrook Terrace, Illinois - Basic Facts

The City of Oakbrook Terrace had a population of 2,346 as of July 1, 2018. Oakbrook Terrace ranks in the upper quartile for Population Density and 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 Oakbrook Terrace is located at latitude 41.8537 and longitude -87.9682 in DuPage County. The formal boundaries for the City of Oakbrook Terrace (see map below) encompass a land area of 1.25 sq. miles and a water area of 0.03 sq. miles. DuPage County is in the Central time zone (GMT -6). The elevation is 686 feet.

The City of Oakbrook Terrace (GNIS ID: 2395286) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The City of Oakbrook Terrace is located within Township of York, a minor civil division (MCD) of DuPage County.

Beneath the boundary map are tables with Oakbrook Terrace population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2018.

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City of Oakbrook Terrace, IL Boundary Map

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Oakbrook Terrace, IL Data & Demographics (As of July 1, 2018)


Total Population 2,346
Population in Households 2,222
Population in Familes 1,546
Population in Group Qrtrs 124
Population Density2 1,879
Diversity Index3 58


Median Household Income $69,835
Average Household Income $92,822
Per Capita Income $44,055


Total Housing Units 1,342 (100%)
Owner Occupied HU 676 (50.4%)
Renter Occupied HU 540 (40.2%)
Vacant Housing Units 127 ( 9.5%)
Median Home Value $313,291
Average Home Value $344,342


Total Households 1,215
Average Household Size 1.83
Family Households 590
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 1.15% 2.05%
Households 1.25% 2.3%
Families 1.73% 1.99%
Median Household Income   1.34%
Per Capita Income   2.05%

Oakbrook Terrace, IL - Peer Comparisons by Rank and Percentile

The table below compares Oakbrook Terrace to the other 1,368 incorporated cities, towns and CDPs 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 # 477 65th
Population Density # 310 77th
Diversity Index # 138 90th
Median Household Income # 288 79th
Per Capita Income # 99 93rd

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

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