Boundary Atlas

ZIP code 94566: Pleasanton, CA

ZIP code 94566 is in Pleasanton (98% of residents), in Alameda County, California. It is in California's 14th congressional district. Its state senate district is State Senate District 5; its state house districts are Assembly District 16 (96%), Assembly District 20 (4.4%) and Assembly District 24 (<0.1%).

45,055residents (2020 Census)
20.3 sq miland area
1cities and towns
1congressional district
28voting precincts

See it on the mapAll of California

City and county

City or townShare of ZIP residents
Pleasanton98%

CountyShare of ZIP residents
Alameda County100%

Town or county subdivisionShare of ZIP residents
Livermore-Pleasanton CCD100%

Congressional district

Congressional districtShare of ZIP residents
California's 14th congressional district (CA-14)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (CA-14)Aisha Wahab (D)202-225-5065100%
U.S. SenatorAdam B. Schiff (D)202-224-3841statewide
U.S. SenatorAlex Padilla (D)202-224-3553 · contact formstatewide
State Senator (State Senate District 5)Jerry McNerney (Democratic)209-472-9535100%
Assembly Member (Assembly District 16)Rebecca Bauer-Kahan (Democratic)925-244-160096%
Assembly Member (Assembly District 20)Liz Ortega (Democratic)510-583-88184.4%
Assembly Member (Assembly District 24)Alex Lee (Democratic)408-262-2501<0.1%

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 5100%

State house districtShare of ZIP residents
Assembly District 1696%
Assembly District 204.4%
Assembly District 24<0.1%

Voting precincts

28 voting precincts overlap ZIP 94566. Map them, with each precinct's share of the ZIP's residents.

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ZIP 94566 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.