Boundary Atlas

ZIP code 95128: San Jose, CA

ZIP code 95128 is in San Jose (80% of residents), Burbank (14%), Campbell (3.1%) and Fruitdale (2.8%), in Santa Clara County, California. It is in California's 16th congressional district (62%) and California's 17th congressional district (38%). Its state senate districts are State Senate District 15 (97%), State Senate District 13 (3.1%) and State Senate District 10 (0.1%); its state house districts are Assembly District 26 (81%), Assembly District 25 (9.8%) and Assembly District 23 (9.2%).

34,776residents (2020 Census)
3.9 sq miland area
5cities and towns
2congressional districts
29voting precincts

See it on the mapAll of California

City and county

City or townShare of ZIP residents
San Jose80%
Burbank14%
Campbell3.1%
Fruitdale2.8%
Santa Clara0.1%

CountyShare of ZIP residents
Santa Clara County100%

Town or county subdivisionShare of ZIP residents
San Jose CCD100%

Congressional districts

Congressional districtShare of ZIP residents
California's 16th congressional district (CA-16)62%
California's 17th congressional district (CA-17)38%

This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.

Elected officials

OfficeMemberContactShare of residents
MayorMatt Mahan408-535-490080%
U.S. Representative (CA-16)Sam T. Liccardo (D)202-225-810462%
U.S. Representative (CA-17)Ro Khanna (D)202-225-263138%
U.S. SenatorAdam B. Schiff (D)202-224-3841statewide
U.S. SenatorAlex Padilla (D)202-224-3553 · contact formstatewide
State Senator (State Senate District 15)Dave Cortese (Democratic)408-723-415497%
State Senator (State Senate District 13)Josh Becker (Democratic)650-233-27243.1%
Assembly Member (Assembly District 26)Patrick Ahrens (Democratic)408-446-281081%
Assembly Member (Assembly District 25)Ash Kalra (Democratic)408-286-25359.8%
Assembly Member (Assembly District 23)Marc Berman (Democratic)650-324-02249.2%

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: Mayors: Open States (public domain); 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 1597%
State Senate District 133.1%
State Senate District 100.1%

State house districtShare of ZIP residents
Assembly District 2681%
Assembly District 259.8%
Assembly District 239.2%

Voting precincts

29 voting precincts overlap ZIP 95128. Map them, with each precinct's share of the ZIP's residents.

Get this in your AI agent

Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:zcta:95128")

ZIP 95128 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.