Crime Grade · FBI UCR Data · 2025
Florissant, MO Crime Grade
How Florissant 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
7/10
vs. all U.S. cities ≥ 25,000 population
Missouri
6/10
vs. Missouri cities ≥ 10,000 population
In 2025, the violent crime rate in Florissant, MO was 251.0 per 100,000 residents (128 incidents over a population of 51,002). That puts Florissant Infinity% above the U.S. rate of 0.0 and 41% below the Missouri statewide rate of 422.6.
That ranks Florissant #2,380 of 3,771 ranked U.S. cities, safer than 37% of them, and #44 of 77 in Missouri. Violent crime is down 26% year over year and down 29% over the last five years.
Florissant, MO crime — key facts
- National Crime Grade
- C (7/10)
- Missouri Grade
- C (6/10)
- Violent crime rate
- 251.0 / 100k
- National rank
- #2,380 of 3,771
- MO rank
- #44 of 77
- Safer than
- 37% of U.S. cities
- Year over year
- down 26%
- 5-year change
- down 29%
- Population
- 51,002
- Reporting agency
- Florissant Police Department
- Data year
- 2025 · FBI UCR
Reported by Florissant Police Department (FBI ORI MO0953000) to the FBI Uniform Crime Reporting Program. Download the full dataset (CSV) · methodology.
About Florissant, MO
Also known as
- Saint Ferdinand Florissant
- Florisant
- San Fernando
- Saint Ferdinand de Florissant
- San Fernando de Florissant
- Saint Ferdinand
- Fleurissant
- Ferdinand
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. Florissant (red), Missouri (blue), U.S. average (gray dashed).
Florissant 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 | 355.4(180) | 275.4(142) | 266.4(136) | 341.3(173) | 251.0(128) |
| Murder | 9.9(5) | 3.9(2) | 7.8(4) | 3.9(2) | 2.0(1) |
| Rape | 31.6(16) | 40.7(21) | 39.2(20) | 57.2(29) | 33.3(17) |
| Robbery | 49.4(25) | 54.3(28) | 37.2(19) | 47.3(24) | 25.5(13) |
| Aggravated assault | 264.5(134) | 176.5(91) | 182.2(93) | 232.8(118) | 190.2(97) |
| Property crime | 2118.3(1,073) | 2329.1(1,201) | 2290.1(1,169) | 1840.4(933) | 1286.2(656) |
| Burglary | 191.5(97) | 166.8(86) | 154.8(79) | 147.9(75) | 100.0(51) |
| Larceny | 1269.4(643) | 1326.5(684) | 1349.8(689) | 1081.0(548) | 811.7(414) |
| Motor vehicle theft | 643.6(326) | 828.1(427) | 773.8(395) | 603.6(306) | 370.6(189) |
How the Crime Grade is calculated
- What is the source of the Florissant, 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 Florissant 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 Florissant calculated?
- Florissant'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 Florissant 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 Florissant to other places
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