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 is an incorporated place (Class Code P1) located in McHenry County at latitude 42.3395 and longitude -88.293. McHenry County is in the Central time zone (GMT -6). The elevation is 797 feet.

The formal official name is the City of McHenry, but most people and references simply refer to it as McHenry, Illinois.

The P1 Census Class Code for McHenry indicates a populated place that is also an incorporated place with the same name and the same census code. The Incorporated Place has a Functional Status Code "A" which identifies an active government providing primary general-purpose functions.

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.

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, 2014)


Total Population 27,068
Population in Households 26,870
Population in Familes 22,178
Population in Group Qrtrs 198
Population Density1 1,836
Diversity Index2 39


Total Households 10,143
Average Household Size 2.65
Family Households 6,948
Average Family Size 3


Total Housing Units 10,856 (100%)
Owner Occupied HU 7,576 (69.8%)
Renter Occupied HU 2,566 (23.6%)
Vacant Housing Units 713 ( 6.6%)
Median Home Value $171,675
Average Home Value $188,945


Median Household Income $62,582
Average Household Income $77,837
Per Capita Income $29,431
  (Compound Annual Growth Rates)


2010-2014 2014-2019
Population 0.07% 0.16%
Households 0.16% 0.24%
Families -0.07% 0.17%
Median Household Income   2.99%
Per Capita Income   2.05%
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 1,367 incorporated cities, towns and CDPs in Illinois by rank and percentile using July 1, 2014 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 # 78 94th
Population Density1 # 327 76th
Diversity Index2 # 240 82nd
Median Household Income # 333 76th
Per Capita Income # 343 75th

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