Mchenry County, IL Crime Statistics

Crime Overview

Mchenry County in IL is served by 18 law enforcement agencies. Over the past five years (2019-2024), the county recorded 3,395 violent crimes and 5,390 property crimes. The average violent crime rate stands at 39.3 per 100k residents, which is -63.0% below the national average. Property crime averages 34.8 per 100k, -78.8% below the national average. The most common offense was Violent Crime, while Motor Vehicle Theft had the lowest rate. Data is sourced from the FBI Crime Data Explorer and reflects totals from the most recent five-year period.

Violent Crimes

Violent Crime

Grade A

Annual Rate39.3 per 100k residents

National Avg: 106.2 per 100k

Total Incidents3,395 (2019-2023)

Homicide

Grade N/A

Not enough data to calculate a meaningful rate.

Rape

Grade A

Annual Rate1.0 per 100k residents

National Avg: 3.5 per 100k

Total Incidents228 (2019-2023)

Robbery

Grade N/A

Insufficient data to calculate annual rate.

Aggravated Assault

Grade A

Annual Rate2.7 per 100k residents

National Avg: 22.3 per 100k

Total Incidents355 (2019-2023)

Property Crimes

Property Crime

Grade A

Annual Rate34.8 per 100k residents

National Avg: 163.6 per 100k

Total Incidents5,390 (2019-2023)

Burglary

Grade A

Annual Rate11.1 per 100k residents

National Avg: 24.0 per 100k

Total Incidents414 (2019-2023)

Larceny

Grade A

Annual Rate23.2 per 100k residents

National Avg: 116.4 per 100k

Total Incidents4,712 (2019-2023)

Motor Vehicle Theft

Grade A

Annual Rate0.5 per 100k residents

National Avg: 22.2 per 100k

Total Incidents235 (2019-2023)

Summary Table

Crime Type	Annual Rate (per 100k residents)	Grade	Total Incidents (2019-2023)	National Avg	% Difference
Violent Crime	39.3	A	3395	106.2	-63.0%
Property Crime	34.8	A	5390	163.6	-78.8%
Homicide	0.0	A	2	0.5	-100.0%
Rape	1.0	A	228	3.5	-72.5%
Robbery	0.0	A	42	5.8	-100.0%
Aggravated Assault	2.7	A	355	22.3	-87.9%
Burglary	11.1	A	414	24.0	-53.7%
Larceny	23.2	A	4712	116.4	-80.1%
Motor Vehicle Theft	0.5	A	235	22.2	-97.9%

Crime Trends

Agencies

Cary Police Department

Cary, IL

Crystal Lake Police Department

Crystal Lake, IL

Harvard Police Department

Harvard, IL

Hebron Police Department

Hebron, IL

Lake In the Hills Police Department

Lake In The Hills, IL

Marengo Police Department

Marengo, IL

McCullom Lake Police Department

Mccullom Lake, IL

McHenry Police Department

Mchenry, IL

Richmond Police Department

Richmond, IL

Johnsburg Police Department

Johnsburg, IL

Woodstock Police Department

Woodstock, IL

Lakewood Police Department

Lakewood, IL

Oakwood Hills Police Department

Oakwood Hills, IL

Spring Grove Police Department

Spring Grove, IL

Holiday Hills Police Department

Holiday Hills, IL

Wonder Lake Police Department

Wonder Lake, IL

Bull Valley Police Department

Bull Valley, IL

Prairie Grove Police Department

Prairie Grove, IL