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General Information

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Millbrae StreetFacts and Figures

  • Population: 23,154 (2019 DOF)
  • Incorporated: January 14, 1948
  • San Mateo County Seat Established: 1856
  • Land Area: 3.2 Square Miles
  • Registered Voters: 13,301(February 2020)
  • Number of Households: 8,771- Units, 8,223- Occupied (2017 ACS)
  • United States House of Representatives 14th District
  • California State Senate 13th District 
  • California State Assembly 22nd District


The City of Millbrae is located on the Peninsula, 15 miles south of San Francisco. The boundaries of this city extend roughly from the Bayshore Freeway on the east to Skyline Boulevard on the west. This distance is approximately 1.7 miles. The distance between the north and south city limit line is approximately 2.05 miles.

  • Millbrae City Hall
    621 Magnolia Avenue
    Millbrae, CA 94030
    Designated "Constitution Square" on June 9, 1987
  • Millbrae Community Center
    623 Magnolia Avenue
    Millbrae, CA 94030
  • Police Department
    581 Magnolia Avenue
    Millbrae, CA 94030
  • Fire Station 37
    511 Magnolia Avenue
    Millbrae, CA 94030


Millbrae operates as a General Law City, providing for a Council/Manager form of government that clearly distinguishes the legislative power of the City Council from the administrative powers of the City Manager.

The City Council is elected directly by the residents of Millbrae. As the legislative branch of the government, the City Council makes final decisions on all major City matters. The Council adopts ordinances and resolutions necessary for efficient governmental operations, approves the budget, and acts as a board of appeals. The Council appoints the City Manager and City Attorney, as well as the members of the city's boards and commissions.


General Municipal Elections are held on the first Tuesday after the first Monday in November of even-numbered years.