Crest Hill, IL Profile: Facts, Map & Data


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Crest Hill, Illinois - Basic Facts

The City of Crest Hill had a population of 21,128 as of July 1, 2017. Crest Hill 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 Crest Hill is located at latitude 41.5738 and longitude -88.111 in Will County. The formal boundaries for the City of Crest Hill (see map below) encompass a land area of 9.04 sq. miles and a water area of 0.14 sq. miles. Will County is in the Central time zone (GMT -6). The elevation is 643 feet.

The City of Crest Hill (GNIS ID: 2393670) 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 Crest Hill is located within Township of Lockport, a minor civil division (MCD) of Will County.

Beneath the boundary map are tables with Crest Hill 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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City of Crest Hill, IL Boundary Map

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Boundary Maps: Township of Lockport | Will County | Illinois Counties

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


Total Population 21,128
Daytime Population: Workers 8,210
Daytime Population: Residents 9,269
Total Daytime Population (TDP) 17,479
Ratio TDP/Total Population1 0.83
Population in Households 17,756
Population in Familes 14,043
Population in Group Qrtrs 3,372
Population Density2 2,337
Diversity Index3 68


Median Household Income $54,418
Average Household Income $68,439
Per Capita Income $26,754


Total Housing Units 7,747 (100%)
Owner Occupied HU 4,956 (64.0%)
Renter Occupied HU 2,324 (30.0%)
Vacant Housing Units 467 ( 6.0%)
Median Home Value $172,903
Average Home Value $187,291


Total Households 7,280
Average Household Size 2.44
Family Households 4,556
Average Family Size 3
  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 0.19% 0.1%
Households 0.02% 0.15%
Families -0.13% -0.03%
Median Household Income   0.79%
Per Capita Income   2.03%

Crest Hill, IL - Peer Comparisons by Rank and Percentile

The table below compares Crest Hill 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 # 118 91st
Population Density # 205 85th
Diversity Index # 67 95th
Median Household Income # 644 53rd
Per Capita Income # 677 51st

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

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