Explore Westminster local geography, civic resources and voter guides, with dated official population and registration facts for Orange County.
At a glance: Westminster is an incorporated city in Orange County. Population: 90,490 (California Department of Finance estimate as of January 1, 2026). Registered voters: 55,797 (California Secretary of State, as of September 4, 2026).
Westminster is a municipality in northwest Orange County, incorporated in 1957. Its city overview describes a mix of residential neighborhoods and commercial destinations connected by major roads and public transport. Local geography includes established retail corridors as well as civic and cultural gathering places, rather than one district standing in for the entire city. The official overview names the Rose Center Performing Arts Theater, the Beach Boulevard commercial corridor and Little Saigon among Westminster’s destinations. Little Saigon is described through its businesses, architecture and cultural activity, with the Asian Garden Mall as a local hub. These are civic and place descriptions, not assumptions about residents’ political preferences or behavior. For a municipal rule, development proposal or public event, start with Westminster’s own department resources and adopted city records. Orange County’s Registrar supplies county voter information, while educational and special-district responsibilities remain separate. A cultural district name does not itself define an electoral or service boundary.
The city’s official overview places it in northwest Orange County and records incorporation in 1957.
The official overview describes a business and cultural district with the Asian Garden Mall as a hub. That description does not establish political or electoral boundaries.
The city identifies the Rose Center Performing Arts Theater among its local destinations, alongside commercial corridors and Little Saigon.
55,797 (California Secretary of State, as of September 4, 2026).
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