Zion, IL Profile: Facts, Map & Data


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Zion, Illinois - Basic Facts

The City of Zion had a population of 24,468 as of July 1, 2016. Zion 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 Zion is located at latitude 42.4599 and longitude -87.8511 in Lake County. The formal boundaries for the City of Zion (see map below) encompass a land area of 9.82 sq. miles and a water area of 0 sq. miles. Lake County is in the Central time zone (GMT -6). The elevation is 646 feet.

The City of Zion (GNIS ID: 2397402) 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 Zion is located within Township of Zion, a minor civil division (MCD) of Lake County.

Beneath the boundary map are tables with Zion population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Alternate Unofficial Names for Zion: Zion City.

Neighborhood Data

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City of Zion, IL Boundary Map

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

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Zion, IL Data & Demographics (As of July 1, 2016)


Total Population 24,468
Population in Households 24,040
Population in Familes 20,645
Population in Group Qrtrs 428
Population Density1 2,492
Diversity Index2 81


Total Households 8,076
Average Household Size 2.98
Family Households 5,860
Average Family Size 4


Total Housing Units 9,145 (100%)
Owner Occupied HU 4,727 (51.7%)
Renter Occupied HU 3,349 (36.6%)
Vacant Housing Units 1,069 (11.7%)
Median Home Value $150,019
Average Home Value $169,383


Median Household Income $51,313
Average Household Income $62,611
Per Capita Income $21,307
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.04% 0.03%
Households 0.08% 0.05%
Families 0.1% -0.03%
Median Household Income   0.44%
Per Capita Income   1.36%
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.

Zion, IL - Peer Comparisons by Rank and Percentile

The table below compares Zion to the other 1,368 incorporated cities, towns and CDPs in Illinois by rank and percentile using July 1, 2016 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 # 98 93rd
Population Density1 # 182 87th
Diversity Index2 # 15 99th
Median Household Income # 720 47th
Per Capita Income # 1123 18th

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

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