Long Lake, IL Profile: Facts, Map & Data


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Long Lake, Illinois - Basic Facts

The Long Lake Census Designated Place had a population of 3,527 as of July 1, 2017. Long 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 Long Lake is located at latitude 42.3721 and longitude -88.1273 in Lake County. The formal boundaries for the Long Lake Census Designated Place (see map below) encompass a land area of 1.03 sq. miles and a water area of 0.6 sq. miles. Lake County is in the Central time zone (GMT -6). The elevation is 751 feet.

The Long Lake Census Designated Place (GNIS ID: 2393107) 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 Long Lake Census Designated Place is located within Township of Grant, a minor civil division (MCD) of Lake County.

Beneath the boundary map are tables with Long Lake population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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Long Lake Census Designated Place, IL Boundary Map

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

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


Total Population 3,527
Daytime Population: Workers 167
Daytime Population: Residents 1,799
Total Daytime Population (TDP) 1,966
Ratio TDP/Total Population1 0.56
Population in Households 3,527
Population in Familes 2,849
Population in Group Qrtrs 0
Population Density2 3,432
Diversity Index3 62


Median Household Income $53,457
Average Household Income $65,964
Per Capita Income $24,729


Total Housing Units 1,357 (100%)
Owner Occupied HU 919 (67.7%)
Renter Occupied HU 287 (21.1%)
Vacant Housing Units 151 (11.1%)
Median Home Value $146,188
Average Home Value $209,565


Total Households 1,206
Average Household Size 2.92
Family Households 803
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 0.05% 0.13%
Households 0.18% 0.2%
Families -1.08% 0.1%
Median Household Income   0.53%
Per Capita Income   1.91%

Long Lake, IL - Peer Comparisons by Rank and Percentile

The table below compares Long Lake 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 # 408 70th
Population Density # 114 92nd
Diversity Index # 98 93rd
Median Household Income # 672 51st
Per Capita Income # 877 36th

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

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