Explore Seaside local geography, civic resources and voter guides, with dated official population and registration facts for Monterey County.
At a glance: Seaside is an incorporated city in Monterey County. Population: 31,681 (California Department of Finance estimate as of January 1, 2026). Registered voters: 15,146 (California Secretary of State, as of September 4, 2026).
Seaside rises from the southern Monterey Bay coastal corridor into hillside neighborhoods. Its relationship to former Fort Ord land and adjacent Monterey gives it both a regional employment role and a distinct residential identity. The Oldemeyer Center and neighboring Ellis Park support community activities and recreation. Laguna Grande Regional Park adds lake-edge paths, habitat, and gathering areas shared across a landscape involving more than one public agency. Seaside incorporated on October 13, 1954. It is a general-law city with a council-manager government, separate from the neighboring cities that share portions of its coastal and park setting.
Ellis Park is beside the Oldemeyer Center on Hilby Avenue, with play and sports facilities.
No. The city's park page describes responsibilities involving Seaside, Monterey, and the Monterey Peninsula Regional Park District.
Monterey County Elections handles voter services and official results; municipal nomination questions should go to the Seaside city clerk.
15,146 (California Secretary of State, as of September 4, 2026).
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