Chemung, IL Profile: Facts, Map & Data


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Chemung, Illinois - Basic Facts

The Chemung Census Designated Place had a population of 309 as of July 1, 2018. Chemung ranks in the upper quartile for 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 Chemung is located at latitude 42.4162 and longitude -88.6642 in McHenry County. The formal boundaries for the Chemung Census Designated Place (see map below) encompass a land area of 0.28 sq. miles and a water area of 0 sq. miles. McHenry County is in the Central time zone (GMT -6). The elevation is 896 feet.

The Chemung Census Designated Place (GNIS ID: 2628545) 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 Chemung Census Designated Place is located within Township of Chemung, a minor civil division (MCD) of McHenry County.

Beneath the boundary map are tables with Chemung 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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Chemung Census Designated Place, IL Boundary Map

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Boundary Maps: Township of Chemung | McHenry County | Illinois Counties

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


Total Population 309
Population in Households 309
Population in Familes 271
Population in Group Qrtrs 0
Population Density2 1,104
Diversity Index3 32


Median Household Income $72,487
Average Household Income $90,494
Per Capita Income $34,199


Total Housing Units 114 (100%)
Owner Occupied HU 85 (74.6%)
Renter Occupied HU 20 (17.5%)
Vacant Housing Units 10 ( 8.8%)
Median Home Value $273,438
Average Home Value $280,882


Total Households 104
Average Household Size 2.97
Family Households 79
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 0.04% -0.06%
Households 0.12% 0.19%
Families 0.96% 0.0%
Median Household Income   1.64%
Per Capita Income   2.66%

Chemung, IL - Peer Comparisons by Rank and Percentile

The table below compares Chemung 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 # 1082 21st
Population Density # 696 49th
Diversity Index # 340 75th
Median Household Income # 270 80th
Per Capita Income # 291 79th

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

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