O'fallon, IL Analytics

October recorded 93 crime incidents.

September recorded 88 crime incidents.

August recorded 139 crime incidents.

Theft
Robbery
Burglary
Vandalism
Shooting
Arson
Arrest
Assault
Other
024681012141618202224262830012345678910
08/2025
09/2025
10/2025
320Total

Crime Types

  • Arrest: 154
  • Theft: 79
  • Other: 42
  • Vandalism: 19
  • Assault: 19
  • Burglary: 5
  • Shooting: 2
  • Robbery: 0
  • Arson: 0

Crime by Month

In the past three months, August had the most number of crimes in O'fallon, Illinois.

August had about 2% more crime than September, with August producing 51 more crimes than September.

August had about 1% more crime than October, with August producing 46 more crimes than October.

Most Committed Crimes in O'fallon, Illinois

Over the past three months, Arrest was the most committed crime overall making up about 48% of crime in O'fallon, Illinois.

The most committed violent crime was Assault, making up about 90% of violent crime in O'fallon, Illinois.

The most committed property crime was Theft, making up about 94% of property crime in O'fallon, Illinois.

Reported Shootings in O'fallon, Illinois

We recorded 2 shootings over a three month period in O'fallon, Illinois. That's an average of about 0.667 shootings per month. August saw the most shootings with 2, followed by October with 0 shootings, and September with 0 shootings.

Disclaimer: SpotCrime pulls from multiple sources including news reported incidents. A majority of the crime incidents are directly from local police agencies. Occasionally, there may be duplicate crimes. The status of the crime is subject to change.

We are not the FBI. These are not official FBI numbers.

Data is based on a radius around the center point of O'fallon. This may include crimes from adjacent agencies and agencies within the area.