Explore Tiburon local geography, civic resources and voter guides, with dated official population and registration facts for Marin County.
At a glance: Tiburon is an incorporated city in Marin County. Population: 8,841 (California Department of Finance estimate as of January 1, 2026). Registered voters: 6,752 (California Secretary of State, as of September 4, 2026).
Tiburon occupies a peninsula extending into San Francisco Bay, with hillside neighborhoods overlooking Angel Island and neighboring shorelines. Its compact waterfront center contrasts with the long ridgelines and residential roads farther inland. Shoreline Park provides public access to the downtown bay edge. The Belvedere Tiburon Library serves both municipalities, while nearby Paradise Beach Park adds a separately operated Marin County recreation resource. Tiburon incorporated on June 23, 1964. It is a general-law town with a council-manager government, maintaining its own administration despite close physical and civic ties with Belvedere.
Yes. Each has its own municipal government, although residents share resources such as the Belvedere Tiburon Library.
Paradise Beach Park is a Marin County Parks facility, not simply a town-operated neighborhood park.
Marin County Elections provides address-based voter and ballot information and official results.
6,752 (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.