Crime Grade · FBI UCR Data · 2025
O'Fallon, MO Crime Grade
How O'Fallon grades for violent crime against every other reporting U.S. city — and against the rest of Missouri — based on the FBI's Uniform Crime Reporting data.
National
3/10
vs. all U.S. cities ≥ 25,000 population
Missouri
2/10
vs. Missouri cities ≥ 10,000 population
In 2025, the violent crime rate in O'Fallon, MO was 95.5 per 100,000 residents (92 incidents over a population of 96,304). That puts O'Fallon Infinity% above the U.S. rate of 0.0 and 77% below the Missouri statewide rate of 422.6.
That ranks O'Fallon #1,079 of 3,771 ranked U.S. cities, safer than 71% of them, and #15 of 77 in Missouri. Violent crime is up 59% year over year and down 16% over the last five years.
O'Fallon, MO crime — key facts
- National Crime Grade
- A (3/10)
- Missouri Grade
- A (2/10)
- Violent crime rate
- 95.5 / 100k
- National rank
- #1,079 of 3,771
- MO rank
- #15 of 77
- Safer than
- 71% of U.S. cities
- Year over year
- up 59%
- 5-year change
- down 16%
- Population
- 96,304
- Reporting agency
- O'Fallon Police Department
- Data year
- 2025 · FBI UCR
Reported by O'Fallon Police Department (FBI ORI MO0920100) to the FBI Uniform Crime Reporting Program. Download the full dataset (CSV) · methodology.
About O'Fallon, MO
Also known as
- O'Fallon Station
Name history sourced from the USGS Geographic Names Information System (GNIS) — public-domain federal geographic-names data.
Violent crime rate, 5-year trend
Per 100,000 residents. O'Fallon (red), Missouri (blue), U.S. average (gray dashed).
O'Fallon vs. U.S., 2025 — by offense
Rates per 100,000 residents for each offense category.
Full data, last 5 years
Rates per 100,000 residents. Raw counts in parentheses.
| Offense | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|
| Violent crime | 113.4(103) | 96.1(92) | 87.6(83) | 60.1(57) | 95.5(92) |
| Murder | 1.1(1) | 2.1(2) | 0.0(0) | 0.0(0) | 1.0(1) |
| Rape | 46.2(42) | 27.2(26) | 28.5(27) | 19.0(18) | 23.9(23) |
| Robbery | 7.7(7) | 8.4(8) | 11.6(11) | 1.1(1) | 2.1(2) |
| Aggravated assault | 58.4(53) | 58.5(56) | 47.5(45) | 40.0(38) | 68.5(66) |
| Property crime | 818.2(743) | 728.4(697) | 711.7(674) | 487.8(463) | 525.4(506) |
| Burglary | 46.2(42) | 46.0(44) | 49.6(47) | 30.6(29) | 36.3(35) |
| Larceny | 669.5(608) | 612.4(586) | 609.3(577) | 416.2(395) | 446.5(430) |
| Motor vehicle theft | 101.3(92) | 66.9(64) | 49.6(47) | 35.8(34) | 40.5(39) |
How the Crime Grade is calculated
- What is the source of the O'Fallon, MO Crime Grade?
- FBI Uniform Crime Reporting via the Crime Data Explorer. Agency-level data, pulled directly. No third-party aggregators, no proprietary score.
- What metric does the O'Fallon Crime Grade use?
- Violent crime rate per 100,000 residents (murder + rape + robbery + aggravated assault), most recent fully-reported year.
- How is the national decile for O'Fallon calculated?
- O'Fallon's rate placed against all FBI-reporting U.S. cities with population ≥ 25,000. 1 = safest.
- How is the Missouri state decile calculated?
- Same calculation restricted to Missouri cities with population ≥ 10,000.
- How do decile scores convert to a letter grade?
- 1–3 = A · 4–5 = B · 6–7 = C · 8 = D · 9–10 = F.
- How often is the O'Fallon Crime Grade refreshed?
- Twice a year. The FBI typically releases the prior year's full data each September.
- What are the limits of this Crime Grade?
- The FBI relies on local agency reporting. Rates reflect what was reported, not what occurred.
Nearby cities in Missouri
Comparable Missouri cities by population.
Compare O'Fallon to other places
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