Explore South El Monte local geography, civic resources and voter guides, with dated official population and registration facts for Los Angeles County.
At a glance: South El Monte is an incorporated city in Los Angeles County. Population: 19,489 (California Department of Finance estimate as of January 1, 2026). Registered voters: 9,518 (California Secretary of State, as of September 4, 2026).
South El Monte occupies the southern San Gabriel Valley near the San Gabriel River recreation corridor. Industrial properties and residential neighborhoods share a compact area connected to the 10, 60, and 605 freeways. Mary Van Dyke Park, the Aquatic Center, and the Community Center on Central Avenue are named municipal recreation resources. The Community Services Department manages facility use and provides an online reservation route. South El Monte incorporated on July 30, 1958, and is a general-law city with a council-manager government. Its own community overview emphasizes the coexistence of industrial employment and neighborhood services rather than presenting it as solely a residential suburb.
Use the city's Parks & Facility Rentals page or contact its Parks & Recreation Division. The page links to the reservation portal.
The city lists the Community Center at 1530 Central Avenue.
No. They are separate cities; verify the address jurisdiction before contacting a clerk, permitting office, or public-works department.
9,518 (California Secretary of State, as of September 4, 2026).
CA Slates began with shared voter guides in 2012 and expanded into its current publication family and connected program.