ZIP code 94303: East Palo Alto, CA
ZIP code 94303 is in East Palo Alto (62% of residents) and Palo Alto (38%), in San Mateo County (62%) and Santa Clara County (38%), California. It is in California's 15th congressional district (62%) and California's 16th congressional district (38%). Its state senate district is State Senate District 13; its state house districts are Assembly District 21 (62%) and Assembly District 23 (38%).
See it on the mapAll of California
City and county
| City or town | Share of ZIP residents |
|---|---|
| East Palo Alto | 62% |
| Palo Alto | 38% |
| Menlo Park | <0.1% |
| County | Share of ZIP residents |
|---|---|
| San Mateo County | 62% |
| Santa Clara County | 38% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| San Mateo CCD | 62% |
| San Jose CCD | 38% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| California's 15th congressional district (CA-15) | 62% |
| California's 16th congressional district (CA-16) | 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
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| Mayor | Vicki Veenker | 650-329-2100 | 38% |
| U.S. Representative (CA-15) | Kevin Mullin (D) | 202-225-3531 | 62% |
| U.S. Representative (CA-16) | Sam T. Liccardo (D) | 202-225-8104 | 38% |
| U.S. Senator | Adam B. Schiff (D) | 202-224-3841 | statewide |
| U.S. Senator | Alex Padilla (D) | 202-224-3553 · contact form | statewide |
| State Senator (State Senate District 13) | Josh Becker (Democratic) | 650-233-2724 | 100% |
| Assembly Member (Assembly District 21) | Diane Papan (Democratic) | 650-349-2200 | 62% |
| Assembly Member (Assembly District 23) | Marc Berman (Democratic) | 650-324-0224 | 38% |
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
- East Palo Alto website: https://www.cityofepa.org/
- East Palo Alto laws: search for the East Palo Alto, California code of ordinances
- Palo Alto website: https://paloalto.gov
- Palo Alto laws: search for the Palo Alto, California code of ordinances
- San Mateo County website: https://smcgov.org
- San Mateo County laws: search for the San Mateo County, California code of ordinances
- Santa Clara County website: https://www.santaclaracounty.gov/
- Santa Clara County laws: search for the Santa Clara County, California code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 13 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 21 | 62% |
| Assembly District 23 | 38% |
Voting precincts
16 voting precincts overlap ZIP 94303. 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:94303")
ZIP 94303 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.