King County Crime 2021
King County · 2021 · updated 2026-11-12
King County police open data lists 24,789 incidents for 2021, down 12.0% from 2020. The most common crime types were other (24.9%), theft from vehicle (21.1%), theft (13.5%). The busiest month was October (2,311) and the quietest February (1,734).
Crime types in 2021
| Crime type | Incidents | Share | vs prior year |
|---|---|---|---|
| Other | 6,179 | 24.9% | down 7.4% |
| Theft from vehicle | 5,233 | 21.1% | up 32.6% |
| Theft | 3,336 | 13.5% | down 5.2% |
| Vandalism | 3,068 | 12.4% | up 6.7% |
| Auto theft | 2,345 | 9.5% | up 19.9% |
| Assault | 2,194 | 8.9% | up 11.9% |
| Fraud | 1,663 | 6.7% | down 74.5% |
| Robbery | 324 | 1.3% | down 3.6% |
| Burglary | 253 | 1.0% | up 9.1% |
| Sexual assault | 176 | 0.7% | up 23.9% |
| Homicide | 18 | 0.1% | — |
Month by month
| Jan | 2,038 |
| Feb | 1,734 |
| Mar | 1,903 |
| Apr | 1,865 |
| May | 2,047 |
| Jun | 1,902 |
| Jul | 2,255 |
| Aug | 2,069 |
| Sep | 2,095 |
| Oct | 2,311 |
| Nov | 2,294 |
| Dec | 2,276 |
Questions
How much crime was reported in King County in 2021?
24,789 incidents for 2021 in King County Sheriff's Office open data.
Did crime go up or down in King County in 2021?
Reported incidents were down 12.0% from 2020.
Other years
King County 2026 · King County 2025 · King County 2024 · King County 2023 · King County 2022 · King County 2020
Source: King County Sheriff's Office open data. Police-reported incidents, not convictions.