Wilmette, IL Profile: Facts & Data


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Wilmette, Illinois - Basic Facts

The Village of Wilmette had a population of 27,128 as of July 1, 2018. 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 42.0723 and longitude -87.7228 in Cook County. The formal boundaries for the Village of Wilmette 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.

Alternate Unofficial Names for Wilmette: Ouilmette Reservation.

Jump to... (On This Page!)
  1. Wilmette 2018 Demographic Data
  2. Growth Rates for Wilmette (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Illinois Research Tools (Easy Tools & Current Data)
  3. Illinois Data Comparison Tool - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


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


Total Population 27,128
Population in Households 27,001
Population in Familes 24,365
Population in Group Qrtrs 127
Population Density2 5,021
Diversity Index3 35


Median Household Income $152,069
Average Household Income $216,676
Per Capita Income $78,231


Total Housing Units 10,324 (100%)
Owner Occupied HU 8,340 (80.8%)
Renter Occupied HU 1,424 (13.8%)
Vacant Housing Units 560 ( 5.4%)
Median Home Value $760,831
Average Home Value $832,051


Total Households 9,764
Average Household Size 2.77
Family Households 7,495
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  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.


2010-2018 2018-2023
Population 0.02% -0.03%
Households 0.03% -0.04%
Families -0.06% -0.08%
Median Household Income   0.54%
Per Capita Income   1.16%

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, 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 # 79 94th
Population Density # 42 97th
Diversity Index # 310 77th
Median Household Income # 16 99th
Per Capita Income # 13 99th

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

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Illinois Census Data Comparison Tool

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