Westchester, IL Profile: Facts, Map & Data


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Westchester, Illinois - Basic Facts

The Village of Westchester had a population of 16,749 as of July 1, 2017. Westchester 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 Westchester is located at latitude 41.8492 and longitude -87.8906 in Cook County. The formal boundaries for the Village of Westchester (see map below) encompass a land area of 3.69 sq. miles and a water area of 0 sq. miles. Cook County is in the Central time zone (GMT -6). The elevation is 636 feet.

The Village of Westchester (GNIS ID: 2400148) 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 Westchester is located within Township of Proviso, a minor civil division (MCD) of Cook County.

Beneath the boundary map are tables with Westchester 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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Village of Westchester, IL Boundary Map

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Boundary Maps: Township of Proviso | Cook County | Illinois Counties

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


Total Population 16,749
Daytime Population: Workers 9,178
Daytime Population: Residents 8,827
Total Daytime Population (TDP) 18,005
Ratio TDP/Total Population1 1.07
Population in Households 16,618
Population in Familes 13,716
Population in Group Qrtrs 131
Population Density2 4,544
Diversity Index3 60


Median Household Income $72,491
Average Household Income $91,355
Per Capita Income $38,018


Total Housing Units 7,238 (100%)
Owner Occupied HU 6,129 (84.7%)
Renter Occupied HU 747 (10.3%)
Vacant Housing Units 362 ( 5.0%)
Median Home Value $258,321
Average Home Value $270,215


Total Households 6,876
Average Household Size 2.42
Family Households 4,541
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 0.03% 0.03%
Households 0.02% 0.01%
Families -0.26% -0.08%
Median Household Income   1.89%
Per Capita Income   2.23%

Westchester, IL - Peer Comparisons by Rank and Percentile

The table below compares Westchester 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 # 155 89th
Population Density # 59 96th
Diversity Index # 109 92nd
Median Household Income # 248 82nd
Per Capita Income # 161 88th

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

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