Together they stopped 87,993 people in 2024. Busiest: San Mateo Police, 13,670.
Dark areas are cities whose police department has a page here. Pick one on the map or in the list below.
The rest of the county is patrolled by the sheriff or by a department too small to describe from its stop records.
Departments with fewer than 300 people stopped in the year are left out.
Sources: California Department of Justice stop data, 2024 · Map outlines: U.S. Census Bureau cartographic boundary files, 2023, 1:500,000.