Crystal Lake, Illinois

Population 40,269

Crystal Lake is located in Mchenry County, IL. The population is 40,269, making Crystal Lake the largest city in Mchenry County.

There are 17 public schools in Crystal Lake with an average Homefacts rating of A-. The total crime rate for Crystal Lake is very low , and there are 53 registered sex offenders residing in the city. Unemployment in Crystal Lake is moderate and the median home sales price is $0. Detailed and up-to-date Crystal Lake property reports are available for any property address.

Cities near Crystal Lake include Lakewood, Lake in the Hills and Algonquin Township.

Crystal Lake Neighborhood Report


School Rating is Excellent
  • No High School Diploma: 7.3%
  • High School Graduate or Higher: 52.3%
  • Bachelor's Degree or Higher: 40.4%

Crime Rate

46.18% Lower than national avg.
  • Auto theft: 18
  • Violent Crimes: 113
  • Robbery: 23
  • Burglary: 63
  • Property Crime: 1
  • Larceny Theft: 1

Registered Offenders

26.37% Lower than national avg.
  • 53 offenders in Crystal Lake
  • 13.16 offenders/10,000 residents

Environmental Hazards

235 Found nearby
  • Brownfields: 0
  • Registered Polluters: 11
  • Superfunds: 6
  • Tanks & Spills: 218


Moderate 5.5%
  • Illinois unemployment average: 6.5%
  • National unemployment average: 6.7%

Property Values

Median Property Value $0

Schools view all

17 Public Schools view public schools

There are 17 K-12 public schools in Crystal Lake, IL and 6 private schools. Homefacts rates Crystal Lake's schools as Excellent, with an overall A- rating.

View All School Information

Crime view details

53 Registered Offenders search the registered offender database

View All Registered Offenders

Crime Index view report

*100 is national avg. Greater than 100 means higher crime, lower means less crime.
  • Total Crime Index
  • Violent Crime Index
  • Property Crime Index

0 Former Drug Labs view all

  • Good news! No Drug lab found in Crystal Lake, IL

Property Reports view all

Property Report Overview

Average Listing Price
$279,900 compared to December 2019
Median Sales Price
No Data

Median Home Value

Housing Inventory

Property Type
  • Vacant
  • Rented
  • Owned

Number Of Properties Per Bedroom (Distressed)

18 Building Permits View All

  • In 2014, the city of Crystal Lake, IL issued 18 building permits. All permits issued were for Single Family Homes. All permits issued were for Single Family Homes.
  • In 2013, the city of Crystal Lake, IL issued 92 building permits. All permits issued were for Single Family Homes. Of those 92 permits, 24 were issued for single family homes and 68 were issued for multi-family homes.
All Housing Single Family Housing Multi-Family Housing

Building Permits By Year

Fair Market Rents

**Displaying data from Crystal Lake, IL
  • Property Type Rent
  • Studio: $1,113
  • 1 Bedroom: $1,253
  • 2 Bedrooms: $1,453
  • 3 Bedrooms: $1,847
  • 4 Bedrooms: $2,198

View All Home Reports

Environmental Hazards

235 Environmental Hazards

  • Brownfields
    in Crystal Lake, IL
    view all
  • Registered Polluters
    in Crystal Lake, IL
    view all
  • Superfunds
    in Crystal Lake, IL
    view all
  • Tanks & Spills
    in Crystal Lake, IL
    view all

Health Hazards

  • Air Quality HEALTHY (1351/1415)
    Crystal Lake, IL has 95.48% good air quality.
    view all
  • Radon ZONE 2 COUNTY
    Crystal Lake, IL is a yellow zone.
    view all
  • UV Index MODERATE 4.16 Average
    Crystal Lake, IL is a moderate risk area for ultra-violet rays.
    view all


  • We're sorry! No Weather statistics found in our database.

Average Monthly Temperature

  • January 21.73°
  • February 26.32°
  • March 39.17°
  • April 49.35°
  • May 60.88°
  • June 71.39°
  • July 74.6°
  • August 72.14°
  • September 64.22°
  • October 52.65°
  • November 40.67°
  • December 27.38°

View More About Environmental Hazards

Natural Disasters

Probability of Natural Disasters for Crystal Lake, IL

Crystal Lake, IL has a low risk of earthquakes.
Crystal Lake, IL has no risk of hurricanes.
Crystal Lake, IL has a very high risk of hail storms.
Crystal Lake, IL has a high risk of tornadoes.

Demographics view details

Median Household Income

Median Household Income in Crystal Lake, IL: $80,760


Unemployment in Crystal Lake is 5.5%. It is lower than the state and national averages, 6.5% and 6.7% respectively

Workforce Breakdown

Blue Collar - 32.17%
White Collar - 67.83%


State Representatives

  • Gov. Bruce Rauner
  • Sen. Richard J. Durbin
  • Sen. Mark Kirk

City Representatives

  • Peter J. Roskam
  • Randy Hultgren

Neighborhood Info

0 Airports view all

Nearest Major Airports

27 FCC Towers view all

0 Hospitals view all

  • No hospitals found in Crystal Lake, IL

1 Library view all

Thank you for visiting the city of Crystal Lake, IL.