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Northern Illinois

Warren CountyCrime Statistics

County seat: Monmouth Pop. 16,844 Circuit 9 Court
Stablevs. prior 2-year avgRank #51 of 102 IL Counties
68SAFETY SCOREC+Safety Grade
Total Crime Rate
1,580
per 100k residents
Violent Crime Rate
178
11% of total crime
Property Crime Rate
1,402
89% of total crime
Safety Score
68
out of 100 (higher = safer)

Crime Breakdown — Warren County

Total1,580Property1,402Violent178
1,580
Total / 100k
1,402
Property / 100k
178
Violent / 100k

Rates per 100,000 residents. Source: FBI UCR 2022 / Illinois State Police.

Crime Category Breakdown

Aggravated Assault
93/100k
Violent
Robbery
50/100k
Violent
Rape / Sexual Assault
25/100k
Violent
Murder / Manslaughter
11/100k
Violent
Larceny / Theft
869/100k
Property
Burglary
336/100k
Property
Motor Vehicle Theft
196/100k
Property

Category breakdown estimated from FBI UCR Part I crime distribution ratios for Illinois counties of similar size and profile.

Circuit Court Information

Court Name
Warren County Circuit Court
Circuit Number
Illinois 9th Judicial Circuit
County Seat
Monmouth, Illinois
Jurisdiction
Warren County

Safety Context

Warren County ranks #51 out of 102 Illinois counties for overall safety, earning a safety grade of C+ based on FBI UCR crime data.

The county's total crime rate of 1,580 per 100,000 residents is near the Illinois statewide average. Violent crime accounts for approximately 11% of all reported offenses.

Crime trends in Warren County are currently stable, holding steady relative to the prior two-year average.

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Emergency Contacts

Emergency: 911
ISP Non-Emergency: 1-800-252-2121

Data Note: Crime statistics sourced from FBI UCR 2022 and Illinois State Police annual reports. Rates are per 100,000 residents (2022 ACS estimates). Category breakdowns are estimated from FBI UCR Part I distribution ratios. Safety grades are IllinoisCrime.com editorial ratings — not official government rankings. Circuit court data from illinoiscourts.gov.