North Chicago, IL Profile: Facts, Map & Data


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North Chicago, Illinois - Basic Facts

The City of North Chicago had a population of 30,760 as of July 1, 2018. North Chicago 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 North Chicago is located at latitude 42.3167 and longitude -87.8592 in Lake County. The formal boundaries for the City of North Chicago (see map below) encompass a land area of 7.94 sq. miles and a water area of 0.01 sq. miles. Lake County is in the Central time zone (GMT -6). The elevation is 653 feet.

The City of North Chicago (GNIS ID: 2395253) 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 North Chicago is located within Township of Shields, a minor civil division (MCD) of Lake County.

Beneath the boundary map are tables with North Chicago population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2018.

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City of North Chicago, IL Boundary Map

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Boundary Maps: Township of Shields | Lake County | Illinois Counties

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


Total Population 30,760
Population in Households 19,351
Population in Familes 16,023
Population in Group Qrtrs 11,409
Population Density2 3,873
Diversity Index3 83


Median Household Income $47,129
Average Household Income $61,609
Per Capita Income $19,662


Total Housing Units 7,846 (100%)
Owner Occupied HU 2,272 (29.0%)
Renter Occupied HU 4,215 (53.7%)
Vacant Housing Units 1,359 (17.3%)
Median Home Value $140,667
Average Home Value $167,956


Total Households 6,487
Average Household Size 2.98
Family Households 4,310
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 -0.69% -0.08%
Households -0.25% -0.09%
Families -0.2% -0.22%
Median Household Income   1.33%
Per Capita Income   1.43%

North Chicago, IL - Peer Comparisons by Rank and Percentile

The table below compares North Chicago 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 # 64 95th
Population Density # 89 94th
Diversity Index # 10 99th
Median Household Income # 968 29th
Per Capita Income # 1300 5th

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

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