Explore Signal Hill local geography, civic resources and voter guides, with dated official population and registration facts for Los Angeles County.
At a glance: Signal Hill is an incorporated city in Los Angeles County. Population: 11,366 (California Department of Finance estimate as of January 1, 2026). Registered voters: 7,657 (California Secretary of State, as of September 4, 2026).
Signal Hill is an independent hilltop city entirely surrounded by Long Beach. Its elevated terrain affords broad views across the coastal plain, while remaining oil infrastructure reflects the petroleum development that transformed the hill in the twentieth century. Hilltop Park is a prominent scenic destination, and Discovery Well Park connects recreation with the city's oil-field landscape. Signal Hill Public Library offers community rooms and learning spaces as well as library collections. Signal Hill incorporated on April 22, 1924. It is a charter city with a council-manager government, retaining municipal independence despite being enclosed by a much larger neighboring city.
No. It is a separate incorporated municipality, although Long Beach surrounds it.
The city's facilities page lists Hilltop Park at 2351 Dawson Avenue.
The city publishes rental options and eligibility rules. Some facilities have residency restrictions, so review the current facility policy before applying.
7,657 (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.