Crime Grade · FBI UCR Data · 2025
Lake St. Louis, MO Crime Grade
How Lake St. Louis 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
4/10
vs. all U.S. cities ≥ 25,000 population
Missouri
3/10
vs. Missouri cities ≥ 10,000 population
In 2025, the violent crime rate in Lake St. Louis, MO was 101.0 per 100,000 residents (20 incidents over a population of 19,805). That puts Lake St. Louis 69% below the U.S. rate of 325.3 and 76% below the Missouri statewide rate of 422.6.
That ranks Lake St. Louis #1,142 of 3,771 ranked U.S. cities, safer than 70% of them, and #17 of 77 in Missouri. Violent crime is up 63% year over year and down 43% over the last five years.
Lake St. Louis, MO crime — key facts
- National Crime Grade
- B (4/10)
- Missouri Grade
- A (3/10)
- Violent crime rate
- 101.0 / 100k
- National rank
- #1,142 of 3,771
- MO rank
- #17 of 77
- Safer than
- 70% of U.S. cities
- Year over year
- up 63%
- 5-year change
- down 43%
- Population
- 19,805
- Reporting agency
- Lake St. Louis Police Department
- Data year
- 2025 · FBI UCR
Reported by Lake St. Louis Police Department (FBI ORI MO0920900) to the FBI Uniform Crime Reporting Program. Download the full dataset (CSV) · methodology.
Violent crime rate, 5-year trend
Per 100,000 residents. Lake St. Louis (red), Missouri (blue), U.S. average (gray dashed).
Lake St. Louis 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 | 177.5(31) | 112.1(20) | 172.2(33) | 62.1(12) | 101.0(20) |
| Murder | 0.0(0) | 0.0(0) | 5.2(1) | 0.0(0) | 5.0(1) |
| Rape | 17.2(3) | 16.8(3) | 31.3(6) | 10.3(2) | 5.0(1) |
| Robbery | 5.7(1) | 0.0(0) | 5.2(1) | 5.2(1) | 0.0(0) |
| Aggravated assault | 154.6(27) | 95.3(17) | 130.4(25) | 46.6(9) | 90.9(18) |
| Property crime | 1247.9(218) | 941.4(168) | 678.2(130) | 610.3(118) | 318.1(63) |
| Burglary | 114.5(20) | 56.0(10) | 20.9(4) | 41.4(8) | 30.3(6) |
| Larceny | 1013.2(177) | 823.7(147) | 568.6(109) | 537.9(104) | 237.3(47) |
| Motor vehicle theft | 114.5(20) | 61.6(11) | 88.7(17) | 31.0(6) | 45.4(9) |
How the Crime Grade is calculated
- What is the source of the Lake St. Louis, 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 Lake St. Louis 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 Lake St. Louis calculated?
- Lake St. Louis'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 Lake St. Louis 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 Lake St. Louis to other places
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