Crime Grade · FBI UCR Data · 2024
San Dimas, CA Crime Grade
How San Dimas grades for violent crime against every other reporting U.S. city — and against the rest of California — based on the FBI's Uniform Crime Reporting data.
National
7/10
vs. all U.S. cities ≥ 25,000 population
California
5/10
vs. California cities ≥ 10,000 population
In 2024, the violent crime rate in San Dimas, CA was 282.6 per 100,000 residents (92 incidents over a population of 32,560). That puts San Dimas Infinity% above the U.S. rate of 0.0 and 41% below the California statewide rate of 478.7.
That ranks San Dimas #2,555 of 3,771 ranked U.S. cities, safer than 32% of them, and #169 of 371 in California. Violent crime is down 13% year over year and up 23% over the last five years.
San Dimas, CA crime — key facts
- National Crime Grade
- C (7/10)
- California Grade
- B (5/10)
- Violent crime rate
- 282.6 / 100k
- National rank
- #2,555 of 3,771
- CA rank
- #169 of 371
- Safer than
- 32% of U.S. cities
- Year over year
- down 13%
- 5-year change
- up 23%
- Population
- 32,560
- Reporting agency
- San Dimas Police Department
- Data year
- 2024 · FBI UCR
Reported by San Dimas Police Department (FBI ORI CA0196000) to the FBI Uniform Crime Reporting Program. Download the full dataset (CSV) · methodology.
About San Dimas, CA
Also known as
- Mud Springs
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. San Dimas (red), California (blue), U.S. average (gray dashed).
San Dimas vs. U.S., 2024 — 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 | 2019 | 2020 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|
| Violent crime | 229.0(78) | 246.7(83) | 276.0(92) | 325.1(107) | 282.6(92) |
| Murder | 0.0(0) | 3.0(1) | 0.0(0) | 3.0(1) | 3.1(1) |
| Rape | 44.0(15) | 23.8(8) | 48.0(16) | 39.5(13) | 15.4(5) |
| Robbery | 44.0(15) | 74.3(25) | 48.0(16) | 75.9(25) | 86.0(28) |
| Aggravated assault | 140.9(48) | 145.6(49) | 180.0(60) | 206.6(68) | 178.1(58) |
| Property crime | 2448.7(834) | 2264.6(762) | 2339.6(780) | 2412.1(794) | 2291.2(746) |
| Burglary | 331.8(113) | 309.1(104) | 428.9(143) | 401.0(132) | 334.8(109) |
| Larceny | 1934.9(659) | 1688.0(568) | 1646.7(549) | 1731.6(570) | 1716.8(559) |
| Motor vehicle theft | 179.1(61) | 264.5(89) | 252.0(84) | 276.4(91) | 230.3(75) |
How the Crime Grade is calculated
- What is the source of the San Dimas, CA 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 San Dimas 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 San Dimas calculated?
- San Dimas's rate placed against all FBI-reporting U.S. cities with population ≥ 25,000. 1 = safest.
- How is the California state decile calculated?
- Same calculation restricted to California 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 San Dimas 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 California
Comparable California cities by population.
Compare San Dimas to other places
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