Forest Lake, IL Profile: Facts, Map & Data


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Forest Lake, Illinois - Basic Facts

The Forest Lake Census Designated Place had a population of 1,520 as of July 1, 2016. Forest Lake 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 Forest Lake is located at latitude 42.2109 and longitude -88.0536 in Lake County. The formal boundaries for the Forest Lake Census Designated Place (see map below) encompass a land area of 0.34 sq. miles and a water area of 0.06 sq. miles. Lake County is in the Central time zone (GMT -6). The elevation is 820 feet.

The Forest Lake Census Designated Place (GNIS ID: 2393000) has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

The Forest Lake Census Designated Place is located within Township of Ela, a minor civil division (MCD) of Lake County.

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

Neighborhood Data

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Forest Lake Census Designated Place, IL Boundary Map

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

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


Total Population 1,520
Population in Households 1,520
Population in Familes 1,363
Population in Group Qrtrs 0
Population Density1 4,531
Diversity Index2 35


Total Households 589
Average Household Size 2.58
Family Households 471
Average Family Size 3


Total Housing Units 610 (100%)
Owner Occupied HU 534 (87.5%)
Renter Occupied HU 55 ( 9.0%)
Vacant Housing Units 21 ( 3.4%)
Median Home Value $343,662
Average Home Value $375,281


Median Household Income $96,740
Average Household Income $126,154
Per Capita Income $45,532
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population -0.36% 1.29%
Households 0.03% 1.39%
Families 0.73% 1.36%
Median Household Income   2.42%
Per Capita Income   1.94%
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.

Forest Lake, IL - Peer Comparisons by Rank and Percentile

The table below compares Forest Lake 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 # 582 58th
Population Density1 # 59 96th
Diversity Index2 # 301 78th
Median Household Income # 77 94th
Per Capita Income # 64 95th

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

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