Boundary Atlas

ZIP code 94066: San Bruno, CA

ZIP code 94066 is in San Bruno (99% of residents), in San Mateo County, California. It is in California's 15th congressional district. Its state senate districts are State Senate District 13 (96%) and State Senate District 11 (4.0%); its state house districts are Assembly District 21 (96%) and Assembly District 19 (4.2%).

44,147residents (2020 Census)
6.1 sq miland area
1cities and towns
1congressional district
20voting precincts

See it on the mapAll of California

City and county

City or townShare of ZIP residents
San Bruno99%

CountyShare of ZIP residents
San Mateo County100%

Town or county subdivisionShare of ZIP residents
South San Francisco CCD100%

Congressional district

Congressional districtShare of ZIP residents
California's 15th congressional district (CA-15)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (CA-15)Kevin Mullin (D)202-225-3531100%
U.S. SenatorAdam B. Schiff (D)202-224-3841statewide
U.S. SenatorAlex Padilla (D)202-224-3553 · contact formstatewide
State Senator (State Senate District 13)Josh Becker (Democratic)650-233-272496%
State Senator (State Senate District 11)Scott Wiener (Democratic)415-557-13004.0%
Assembly Member (Assembly District 21)Diane Papan (Democratic)650-349-220096%
Assembly Member (Assembly District 19)Catherine Stefani (Democratic)415-557-23124.2%

Elected in 2024 under CA's previous congressional map; this district's lines changed for the 120th Congress (seated January 3, 2027).

Officials serving now (members of Congress until January 3, 2027). Sources: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).

Local government

State legislative districts

State senate districtShare of ZIP residents
State Senate District 1396%
State Senate District 114.0%

State house districtShare of ZIP residents
Assembly District 2196%
Assembly District 194.2%

Voting precincts

20 voting precincts overlap ZIP 94066. Map them, with each precinct's share of the ZIP's residents.

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ZIP 94066 here is the Census Bureau's ZIP Code Tabulation Area, which approximates the USPS ZIP Code; PO-box-only ZIPs have none. Districts are the maps in force for the November 3, 2026 election.