O'brien is a county located in IA, and has a population of 9,430. This region is policed by O''BRIEN COUNTY.
O'brien County has an overall crime rate of 710 per 100,000 residents. This is one of the safest regions in the United States. This means that your chances of becoming a victim of any type of crime in O'brien County is 1 in 141 if you reside there for a year.
The average overall crime rate for O'brien County for the previous 2 years was 1088 per 100,000 residents. This means that the crime rate for O'brien County has been decreasing over time.
Below are its crime rates and policing statistics according to the FBI's Uniform Crime Reports (UCR). For more specific crime statistics (NIBRS) for many US cities & counties, see Offense Statistics.
| (per 100,000) | O'brien | USA | |
| Crime Rate (Overall) | 710 | 4,506 | |
| Murder Rate | N/A | 6 | |
| Robbery Rate | N/A | 148 | |
| Rape Rate | N/A | 30 | |
| Assault Rate | 223 | 644 | |
| Burglary Rate | 201 | 726 | |
| Forced Entry Rate | 32 | 417 | |
| Larceny Rate | 223 | 2,185 | |
| Auto Theft Rate | 64 | 362 |
| O'brien | USA | |
| Overall Clearance | 4% | 28% |
| Homicide Clearance | N/A | 56% |
| Assault Clearance | 9% | 52% |
| Rape Clearance | N/A | 38% |
| Robbery Clearance | N/A | 23% |
| Burglary Clearance | 1% | 12% |
| Larceny Clearance | 1% | 18% |
| Auto Theft Clearance | 2% | 12% |