The San Gabriel Police Department is a full-service law enforcement agency serving a population of 40,000 residents. The city is located approximately nine miles east of downtown Los Angeles and encompasses 4.09 square miles.

The San Gabriel Police Department is authorized 72 total employees which includes 54 sworn Police Officers and 18 civilian employees. The Department also has volunteer Reserve Police Officer Program, Volunteer Program and Police Explorer Post. The annual Police Department budget for the fiscal year 2021/2022 is $17,403,027.

During the calendar year of 2020-21, officers handled approximately 38,304 incidents as recorded in the Department's Computer Aided Dispatch System. Officers made 1,063 arrests and issued 5,569 citations.