Explore San Gabriel local geography, civic resources and voter guides, with dated official population and registration facts for Los Angeles County.
At a glance: San Gabriel is an incorporated city in Los Angeles County. Population: 39,838 (California Department of Finance estimate as of January 1, 2026). Registered voters: 20,444 (California Secretary of State, as of September 4, 2026).
San Gabriel occupies the western-central San Gabriel Valley, northeast of downtown Los Angeles. Its Mission District and Valley Boulevard corridor offer contrasting historic and contemporary commercial settings within the same compact city. The San Gabriel Mission Playhouse and City Hall anchor the Mission District. Plaza Park contains a restored portion of the Chapman Millrace, making the public landscape a place to encounter the area's historic water infrastructure. San Gabriel incorporated on April 24, 1913. It is a general-law city with a council-manager government, distinct from the religious institution and the wider valley that share its name.
Yes. The San Gabriel Mission Playhouse is a city cultural facility in the Mission District, near City Hall.
The city's history page identifies a restored portion of the Chapman Millrace in Plaza Park outside the mission grounds.
No. City Hall and Mission San Gabriel are separate destinations. Check the mission's own visiting arrangements independently.
20,444 (California Secretary of State, as of September 4, 2026).
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