Wilmette, IL Profile: Facts, Map & Data


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Wilmette, Illinois - Basic Facts

The Village of Wilmette had a population of 27,447 as of July 1, 2017. Wilmette 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 Wilmette is located at latitude 42.0773 and longitude -87.7286 in Cook County. The formal boundaries for the Village of Wilmette (see map below) encompass a land area of 5.4 sq. miles and a water area of 0.01 sq. miles. Cook County is in the Central time zone (GMT -6). The elevation is 636 feet.

The Village of Wilmette (GNIS ID: 2399704) 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 Wilmette is located within Township of New Trier, a minor civil division (MCD) of Cook County.

Beneath the boundary map are tables with Wilmette 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 Wilmette: Ouilmette Reservation.

Neighborhood Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting certain data.


Village of Wilmette, IL Boundary Map

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Boundary Maps: Township of New Trier | Cook County | Illinois Counties

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


Total Population 27,447
Population in Households 27,321
Population in Familes 24,584
Population in Group Qrtrs 126
Population Density1 5,080
Diversity Index2 34


Total Households 9,872
Average Household Size 2.77
Family Households 7,571
Average Family Size 3


Total Housing Units 10,382 (100%)
Owner Occupied HU 8,418 (81.1%)
Renter Occupied HU 1,454 (14.0%)
Vacant Housing Units 510 ( 4.9%)
Median Home Value $715,855
Average Home Value $759,805


Median Household Income $148,773
Average Household Income $214,335
Per Capita Income $77,339
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.18% 0.14%
Households 0.18% 0.14%
Families 0.07% 0.09%
Median Household Income   0.5%
Per Capita Income   1.37%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Wilmette, IL - Peer Comparisons by Rank and Percentile

The table below compares Wilmette 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 # 78 94th
Population Density1 # 42 97th
Diversity Index2 # 320 76th
Median Household Income # 16 99th
Per Capita Income # 12 99th

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

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