Northlake, IL Profile: Facts, Map & Data


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Northlake, Illinois - Basic Facts

The City of Northlake had a population of 12,611 as of July 1, 2017. Northlake 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 Northlake is located at latitude 41.9143 and longitude -87.9055 in Cook County. The formal boundaries for the City of Northlake (see map below) encompass a land area of 3.17 sq. miles and a water area of 0 sq. miles. Cook County is in the Central time zone (GMT -6). The elevation is 646 feet.

The City of Northlake (GNIS ID: 2395266) 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 Northlake is located within Township of Leyden, a minor civil division (MCD) of Cook County.

Beneath the boundary map are tables with Northlake 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 Northlake: North Lake, North Lake Village.

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City of Northlake, IL Boundary Map

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


Total Population 12,611
Daytime Population: Workers 7,795
Daytime Population: Residents 6,264
Total Daytime Population (TDP) 14,059
Ratio TDP/Total Population1 1.11
Population in Households 12,372
Population in Familes 10,629
Population in Group Qrtrs 239
Population Density2 3,982
Diversity Index3 78


Median Household Income $55,664
Average Household Income $66,655
Per Capita Income $21,499


Total Housing Units 4,365 (100%)
Owner Occupied HU 2,932 (67.2%)
Renter Occupied HU 1,116 (25.6%)
Vacant Housing Units 317 ( 7.3%)
Median Home Value $199,439
Average Home Value $204,620


Total Households 4,048
Average Household Size 3.06
Family Households 2,876
Average Family Size 4
  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 0.32% 0.19%
Households 0.22% 0.17%
Families 0.54% 0.09%
Median Household Income   1.58%
Per Capita Income   2.27%

Northlake, IL - Peer Comparisons by Rank and Percentile

The table below compares Northlake 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 # 196 86th
Population Density # 86 94th
Diversity Index # 27 98th
Median Household Income # 584 57th
Per Capita Income # 1175 14th

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

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