Oak Park, IL Profile: Facts, Map & Data


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Oak Park, Illinois - Basic Facts

The Village of Oak Park had a population of 52,662 as of July 1, 2017. Oak Park 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 Oak Park is located at latitude 41.8872 and longitude -87.7899 in Cook County. The formal boundaries for the Village of Oak Park (see map below) encompass a land area of 4.7 sq. miles and a water area of 0 sq. miles. Cook County is in the Central time zone (GMT -6). The elevation is 620 feet.

The Village of Oak Park (GNIS ID: 2399539) 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 Village of Oak Park is located within Township of Oak Park, a minor civil division (MCD) of Cook County.

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

Alternate Unofficial Names for Oak Park: Harlem, Noyesville, Oak Ridge.

Neighborhood Data

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Village of Oak Park, IL Boundary Map

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


Total Population 52,662
Daytime Population: Workers 20,629
Daytime Population: Residents 23,806
Total Daytime Population (TDP) 44,435
Ratio TDP/Total Population1 0.84
Population in Households 52,278
Population in Familes 39,856
Population in Group Qrtrs 384
Population Density2 11,205
Diversity Index3 58


Median Household Income $84,598
Average Household Income $121,378
Per Capita Income $53,476


Total Housing Units 24,938 (100%)
Owner Occupied HU 13,179 (52.8%)
Renter Occupied HU 9,906 (39.7%)
Vacant Housing Units 1,853 ( 7.4%)
Median Home Value $386,915
Average Home Value $441,877


Total Households 23,085
Average Household Size 2.26
Family Households 13,082
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 0.21% 0.17%
Households 0.25% 0.19%
Families 0.05% 0.05%
Median Household Income   2.81%
Per Capita Income   2.51%

Oak Park, IL - Peer Comparisons by Rank and Percentile

The table below compares Oak Park 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 # 29 98th
Population Density # 6 100th
Diversity Index # 134 90th
Median Household Income # 131 90th
Per Capita Income # 42 97th

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

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