McHenry, IL Profile: Facts, Map & Data


McHenry Local Links & Resources:
Hotels | Resources | ALL McHenry Content

Also See: McHenry, IL ZIP Codes & ZIP Code Maps | Local Area Photos

McHenry, Illinois - Basic Facts

The City of McHenry had a population of 27,298 as of July 1, 2016. McHenry 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 McHenry is located at latitude 42.3395 and longitude -88.293 in McHenry County. The formal boundaries for the City of McHenry (see map below) encompass a land area of 14.6 sq. miles and a water area of 0.44 sq. miles. McHenry County is in the Central time zone (GMT -6). The elevation is 797 feet.

The City of McHenry (GNIS ID: 2395070) 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 McHenry is located within Township of McHenry, a minor civil division (MCD) of McHenry County.

Beneath the boundary map are tables with McHenry 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

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting certain data.


City of McHenry, IL Boundary Map

Also See: BIG Map | Driving Directions | IL Congressional Districts
Boundary Maps: Township of McHenry | McHenry County | Illinois Counties

Search the map for:

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


Total Population 27,298
Population in Households 27,100
Population in Familes 22,346
Population in Group Qrtrs 198
Population Density1 1,869
Diversity Index2 41


Total Households 10,237
Average Household Size 2.65
Family Households 7,002
Average Family Size 3


Total Housing Units 10,996 (100%)
Owner Occupied HU 7,613 (69.2%)
Renter Occupied HU 2,624 (23.9%)
Vacant Housing Units 759 ( 6.9%)
Median Home Value $199,126
Average Home Value $230,176


Median Household Income $65,969
Average Household Income $80,992
Per Capita Income $30,796
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.18% 0.06%
Households 0.26% 0.11%
Families 0.07% 0.03%
Median Household Income   2.93%
Per Capita Income   1.9%
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.

McHenry, IL - Peer Comparisons by Rank and Percentile

The table below compares McHenry 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 # 79 94th
Population Density1 # 318 77th
Diversity Index2 # 241 82nd
Median Household Income # 277 80th
Per Capita Income # 321 77th

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

Illinois Research Tools

Illinois Census Data Comparison Tool

Compare Illinois Census Data
Highest or Lowest: