O'Fallon, MO Crime Statistics For 2025

Demographics | Crime | Cost Of Living
Updated: 2025-10-24

Crime Rate In O'Fallon, MO Summary

Crime in O'Fallon research summary. HomeSnacks has been using Saturday Night Science to report crime data in O'Fallon over the past eight years using the FBI Crime Explorer. Based on the most recently available data released on October 17, 2023, we found the following about crime in O'Fallon:

  • There were 511 total crimes committed in O'Fallon in the last reporting year.
  • On a rate basis, there were 538.4 total crimes per 100K people in O'Fallon.
  • The overall crime rate in O'Fallon is -74.59% below the national average.
  • O'Fallon ranks #56 safest out of 313 cities in Missouri.
  • O'Fallon ranks #2,406 safest out of 9,896 cities in the United States.

Because the crime rate is so low in America, we use "per 100,000 people" to make the number a bit easier to compare across locations visually. It's mathematically the same as per capita comparisons and isn't meant to convey that 100,000+ people live in a location.

Additional research about crime in Missouri

O'Fallon Vs Missouri And National Crime Rates

According to the most recent data from the FBI, the total crime rate in O'Fallon is 538.4 per 100,000 people. That's -74.59% lower than the national rate of 2,119.2 per 100,000 people and -77.60% lower than the Missouri total crime rate of 2,403.3 per 100,000 people.

Statistic Count
Raw
O'Fallon
/ 100k People
Missouri
/ 100k People
National
/ 100k People
Total Crimes Per 100K 511 538.4 2,403.3 2,119.2
Murder 0 0.0 7.8 5.0
Robbery 1 1.1 51.5 61.0
Aggravated Assault 38 40.0 357.5 256.0
Violent Crime 56 59.0 462.0 359.0
Burglary 29 30.6 236.3 229.0
Larceny 392 413.0 1,306.5 1,272.0
Car Theft 34 35.8 398.4 259.0
Property Crime 455 479.4 1,941.2 1,760.0

O'Fallon Crime Compared To Missouri Averages

Each category of crime indexed to the worst per capita in Missouri.
Data Source -- FBI UCR 2024.

Violent Crime Rates In O'Fallon

56
Violent Crimes
59.0
Violent Crimes / 100k People
-83.56%
Below The National Average
  • There were 56 violent crimes in O'Fallon in the last reporting year.
  • The violent crime rate in O'Fallon is 59.0 per 100,000 people.
  • You have a 1 in 1,694.8 chance of being the victim of a violent crime in O'Fallon each year. That compares to a 1 in 216.4 chance statewide.
  • That's -83.56% lower than the national rate of 359.0 per 100,000 people.
  • And -87.23% lower than the Missouri violent crime rate of 462.0 per 100,000 people.

Property Crime Rates In O'Fallon

455
Property Crimes
479.4
Property Crimes / 100k People
-72.76%
Below The National Average
  • There were 455 property crimes in O'Fallon in the last reporting year.
  • The property crime rate in O'Fallon is 479.4 per 100,000 people.
  • You have a 1 in 208.6 chance of being the victim of a property crime in O'Fallon each year. That compares to a 1 in 0.0 chance nationally.
  • That's -72.76% lower than the national rate of 1,760.0 per 100,000 people.
  • And -75.30% lower than the Missouri property crime rate of 1,941.2 per 100,000 people.

Crime In Cities Around O'Fallon

City Population Count
Raw
Total Crime
/ 100k People
Property Crime
/ 100k People
Violent Crime
/ 100k People
St. Peters, MO 59,993 759 1,265.1 1,058.5 206.7
Chesterfield, MO 48,907 676 1,382.2 1,286.1 96.1
Wentzville, MO 48,377 413 853.7 744.2 109.6
Ballwin, MO 30,171 163 540.3 483.9 56.3
Lake St. Louis, MO 19,334 128 662.0 605.2 56.9
Creve Coeur, MO 18,340 345 1,881.1 1,717.6 163.6
Manchester, MO 17,912 241 1,345.5 1,300.8 44.7
Town and Country, MO 11,523 146 1,267.0 1,241.0 26.0
Des Peres, MO 9,070 391 4,310.9 4,244.8 66.2
Cottleville, MO 6,164 4 64.9 48.7 16.2

O'fallon SnackAbility

9
/10
Overall SnackAbility
Jobs
8.5/10
Housing
8.5
Affordability
8.5
Diversity
6
Safety
8
Amenities
9
Education
8.5
Commute
6
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