O'fallon, IL Analytics

May recorded 127 crime incidents.

April recorded 123 crime incidents.

March recorded 92 crime incidents.

Theft
Robbery
Burglary
Vandalism
Shooting
Arson
Arrest
Assault
Other
024681012141618202224262830012345678
03/2026
04/2026
05/2026
342Total

Crime Types

  • Arrest: 174
  • Theft: 64
  • Other: 62
  • Vandalism: 18
  • Assault: 15
  • Burglary: 7
  • Robbery: 1
  • Shooting: 1
  • Arson: 0

Crime by Month

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

May had about 1% more crime than March, with May producing 35 more crimes than March.

May had about 1% more crime than April, with May producing 4 more crimes than April.

Most Committed Crimes in O'fallon, Illinois

Over the past three months, Arrest was the most committed crime overall making up about 51% of crime in O'fallon, Illinois.

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

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

Reported Shootings in O'fallon, Illinois

We recorded 1 shootings over a three month period in O'fallon, Illinois. That's an average of about 0.333 shootings per month. May saw the most shootings with 1, followed by April with 0 shootings, and March 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.