Iowa County, IA Crime Statistics
Crime Overview
Iowa County in IA is served by 3 law enforcement agencies. Over the past five years (2019-2024), the county recorded 539 violent crimes and 457 property crimes. The average violent crime rate stands at 100.4 per 100k residents, which is 5.5% below the national average. Property crime averages 117.4 per 100k, 28.3% below the national average. The most common offense was Property Crime, while Aggravated Assault 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 CAnnual Rate100.4 per 100k residents
National Avg: 106.2 per 100k
Total Incidents539 (2019-2023)
Homicide
Grade N/ANot enough data to calculate a meaningful rate.
Rape
Grade FAnnual Rate10.0 per 100k residents
National Avg: 3.5 per 100k
Total Incidents16 (2019-2023)
Robbery
Grade N/ANot enough data to calculate a meaningful rate.
Aggravated Assault
Grade CAnnual Rate20.1 per 100k residents
National Avg: 22.3 per 100k
Total Incidents115 (2019-2023)
Property Crimes
Property Crime
Grade BAnnual Rate117.4 per 100k residents
National Avg: 163.6 per 100k
Total Incidents457 (2019-2023)
Burglary
Grade DAnnual Rate37.1 per 100k residents
National Avg: 24.0 per 100k
Total Incidents93 (2019-2023)
Larceny
Grade BAnnual Rate80.3 per 100k residents
National Avg: 116.4 per 100k
Total Incidents318 (2019-2023)
Motor 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 | 100.4 | C | 539 | 106.2 | -5.5% |
| Property Crime | 117.4 | B | 457 | 163.6 | -28.3% |
| Homicide | 0.0 | A | 0 | 0.5 | -100.0% |
| Rape | 10.0 | F | 16 | 3.5 | +181.4% |
| Robbery | 0.0 | A | 4 | 5.8 | -100.0% |
| Aggravated Assault | 20.1 | C | 115 | 22.3 | -9.6% |
| Burglary | 37.1 | D | 93 | 24.0 | +54.4% |
| Larceny | 80.3 | B | 318 | 116.4 | -31.0% |
| Motor Vehicle Theft | 0.0 | A | 45 | 22.2 | -100.0% |
Crime Trends
Agencies
Iowa County Sheriff's Office
Marengo Police Department
Marengo, IA
Williamsburg Police Department
Williamsburg, IA