Grundy County, IL Crime Statistics
Crime Overview
Grundy County in IL is served by 2 law enforcement agencies. Over the past five years (2019-2024), the county recorded 481 violent crimes and 1,229 property crimes. The average violent crime rate stands at 27.7 per 100k residents, which is -73.9% below the national average. Property crime averages 79.7 per 100k, -51.3% below the national average. The most common offense was Property Crime, while Burglary 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 AHomicide
Grade N/ANot enough data to calculate a meaningful rate.
Rape
Grade N/AInsufficient data to calculate annual rate.
Robbery
Grade N/AInsufficient data to calculate annual rate.
Aggravated Assault
Grade N/AInsufficient data to calculate annual rate.
Property Crimes
Property Crime
Grade ABurglary
Grade ALarceny
Grade BMotor Vehicle Theft
Grade N/AInsufficient data to calculate annual rate.
Summary Table
| Crime Type | Annual Rate (per 100k residents) | Grade | Total Incidents (2019-2023) | National Avg | % Difference |
|---|---|---|---|---|---|
| Violent Crime | 27.7 | A | 481 | 106.2 | -73.9% |
| Property Crime | 79.7 | A | 1229 | 163.6 | -51.3% |
| Homicide | 0.0 | A | 2 | 0.5 | -100.0% |
| Rape | 0.0 | A | 51 | 3.5 | -100.0% |
| Robbery | 0.0 | A | 14 | 5.8 | -100.0% |
| Aggravated Assault | 0.0 | A | 48 | 22.3 | -100.0% |
| Burglary | 3.5 | A | 119 | 24.0 | -85.6% |
| Larceny | 76.2 | B | 1056 | 116.4 | -34.5% |
| Motor Vehicle Theft | 0.0 | A | 51 | 22.2 | -100.0% |
Crime Trends
Agencies
Mazon Police Department
Mazon, IL
Morris Police Department
Morris, IL