Sonoma County Crime 2020
Sonoma County · 2020 · updated 2026-11-12
Sonoma County police open data lists 4,278 incidents for 2020, down 21.3% from 2019. The most common crime types were other (31.9%), assault (18.8%), theft (16.5%). The busiest month was January (441) and the quietest December (279).
Crime types in 2020
| Crime type | Incidents | Share | vs prior year |
|---|---|---|---|
| Other | 1,366 | 31.9% | down 26.1% |
| Assault | 803 | 18.8% | down 20.4% |
| Theft | 705 | 16.5% | down 12.5% |
| Burglary | 643 | 15.0% | down 12.9% |
| Fraud | 307 | 7.2% | down 39.9% |
| Vandalism | 278 | 6.5% | down 19.9% |
| Sexual assault | 76 | 1.8% | down 14.6% |
| Auto theft | 58 | 1.4% | up 34.9% |
| Robbery | 42 | 1.0% | up 2.4% |
Month by month
| Jan | 441 |
| Feb | 360 |
| Mar | 350 |
| Apr | 322 |
| May | 395 |
| Jun | 375 |
| Jul | 430 |
| Aug | 365 |
| Sep | 353 |
| Oct | 303 |
| Nov | 305 |
| Dec | 279 |
Neighborhoods with the most reports in 2020
- Santa Rosa 1,410 incidents
- Sonoma 604 incidents
- Windsor 389 incidents
- Guerneville 317 incidents
- Petaluma 138 incidents
- Forestville 131 incidents
- El Verano 130 incidents
- Sebastopol 107 incidents
Counts are not adjusted for population or area.
Questions
How much crime was reported in Sonoma County in 2020?
4,278 incidents for 2020 in Sonoma County Sheriff's Office open data.
Did crime go up or down in Sonoma County in 2020?
Reported incidents were down 21.3% from 2019.
Other years
Sonoma County 2026 · Sonoma County 2025 · Sonoma County 2024 · Sonoma County 2023 · Sonoma County 2022 · Sonoma County 2021
Source: Sonoma County Sheriff's Office open data. Police-reported incidents, not convictions.