Explore La Mesa local geography, civic resources and voter guides, with dated official population and registration facts for San Diego County.
At a glance: La Mesa is an incorporated city in San Diego County. Population: 61,707 (California Department of Finance estimate as of January 1, 2026). Registered voters: 38,894 (California Secretary of State, as of September 4, 2026).
La Mesa is an inland city in San Diego County’s East County, known for its tree-lined residential streets climbing rolling hills above the valley floor. Its hillside neighborhoods give many streets views toward the surrounding mountains. The City Clerk’s Division administers all municipal elections, administers oaths of office, coordinates recruitments for board, commission and committee appointments, and issues resolutions and prepares ordinances for publication and codification. It also prepares agendas and support material for the City Council, Redevelopment Agency, Parking Authority and Public Financing Authority meetings. The division maintains and protects all vital, permanent and historic records of the city, publishes and posts public notices, receives appeals and subpoenas, serves as filing officer for campaign and conflict-of-interest disclosure statements under the Political Reform Act, and updates the Municipal Code. For registration and vote-by-mail, use the San Diego County Registrar of Voters.
The City Clerk’s Division administers all municipal elections and administers oaths of office.
The City Clerk’s Division coordinates recruitments for board, commission and committee appointments.
The City Clerk’s Division maintains and protects all vital, permanent and historic records of the city.
38,894 (California Secretary of State, as of September 4, 2026).
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