Crime Grade · FBI UCR Data · 2025
South San Francisco, CA Crime Grade
How South San Francisco 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
8/10
vs. all U.S. cities ≥ 25,000 population
California
5/10
vs. California cities ≥ 10,000 population
In 2025, the violent crime rate in South San Francisco, CA was 307.6 per 100,000 residents (198 incidents over a population of 64,363). That puts South San Francisco Infinity% above the U.S. rate of 0.0 and 26% below the California statewide rate of 415.5.
That ranks South San Francisco #2,675 of 3,771 ranked U.S. cities, safer than 29% of them, and #185 of 371 in California. Violent crime is up 1% year over year and up 35% over the last five years.
South San Francisco, CA crime — key facts
- National Crime Grade
- D (8/10)
- California Grade
- B (5/10)
- Violent crime rate
- 307.6 / 100k
- National rank
- #2,675 of 3,771
- CA rank
- #185 of 371
- Safer than
- 29% of U.S. cities
- Year over year
- up 1%
- 5-year change
- up 35%
- Population
- 64,363
- Reporting agency
- South San Francisco Police Department
- Data year
- 2025 · FBI UCR
Reported by South San Francisco Police Department (FBI ORI CA0411700) to the FBI Uniform Crime Reporting Program. Download the full dataset (CSV) · methodology.
About South San Francisco, CA
Also known as
- Baden
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. South San Francisco (red), California (blue), U.S. average (gray dashed).
South San Francisco 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 | 2020 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|
| Violent crime | 227.1(155) | 384.4(240) | 364.9(227) | 303.7(189) | 307.6(198) |
| Murder | 1.5(1) | 1.6(1) | 1.6(1) | 0.0(0) | 0.0(0) |
| Rape | 22.0(15) | 25.6(16) | 19.3(12) | 27.3(17) | 24.9(16) |
| Robbery | 85.0(58) | 64.1(40) | 73.9(46) | 33.7(21) | 3.1(2) |
| Aggravated assault | 118.7(81) | 293.1(183) | 270.1(168) | 242.7(151) | 279.7(180) |
| Property crime | 2294.2(1,566) | 2851.3(1,780) | 2260.3(1,406) | 1576.4(981) | 1229.0(791) |
| Burglary | 230.0(157) | 360.4(225) | 225.1(140) | 101.2(63) | 63.7(41) |
| Larceny | 1692.1(1,155) | 2090.4(1,305) | 1639.7(1,020) | 1110.4(691) | 985.0(634) |
| Motor vehicle theft | 363.3(248) | 381.2(238) | 361.7(225) | 348.7(217) | 158.5(102) |
How the Crime Grade is calculated
- What is the source of the South San Francisco, 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 South San Francisco 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 South San Francisco calculated?
- South San Francisco'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 South San Francisco 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 South San Francisco to other places
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