O'fallon, IL Analytics

December recorded 135 crime incidents.

November recorded 94 crime incidents.

October recorded 93 crime incidents.

Theft
Robbery
Burglary
Vandalism
Shooting
Arson
Arrest
Assault
Other
0246810121416182022242628300123456789
10/2025
11/2025
12/2025
322Total

Crime Types

  • Arrest: 173
  • Theft: 65
  • Other: 43
  • Vandalism: 21
  • Assault: 18
  • Burglary: 2
  • Robbery: 0
  • Shooting: 0
  • Arson: 0

Crime by Month

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

December had about 1% more crime than October, with December producing 42 more crimes than October.

December had about 1% more crime than November, with December producing 41 more crimes than November.

Most Committed Crimes in O'fallon, Illinois

Over the past three months, Arrest was the most committed crime overall making up about 54% of crime in O'fallon, Illinois.

The most committed violent crime was Assault, making up about 100% of violent crime in O'fallon, Illinois.

The most committed property crime was Theft, making up about 97% of property crime in O'fallon, Illinois.

Reported Shootings in O'fallon, Illinois

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