ZIP code 93257: Porterville, CA
ZIP code 93257 is in Porterville (79% of residents) and East Porterville (7.0%), in Tulare County, California. 14% of its residents live outside city limits. It is in California's 22nd congressional district (53%) and California's 20th congressional district (47%). Its state senate districts are State Senate District 16 (96%) and State Senate District 12 (3.5%); its state house districts are Assembly District 33 (97%) and Assembly District 32 (3.4%).
See it on the mapAll of California
City and county
| City or town | Share of ZIP residents |
|---|---|
| Porterville | 79% |
| East Porterville | 7.0% |
| Woodville Farm Labor Camp | 0.9% |
| Poplar-Cotton Center | 0.6% |
| Woodville | 0.2% |
| County | Share of ZIP residents |
|---|---|
| Tulare County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Porterville CCD | 95% |
| Springville-Johnsondale CCD | 2.1% |
| Strathmore CCD | 1.6% |
| Tipton CCD | 1.4% |
| Pixley CCD | 0.2% |
| Terra Bella CCD | 0.1% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| California's 22nd congressional district (CA-22) | 53% |
| California's 20th congressional district (CA-20) | 47% |
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 |
|---|---|---|---|
| U.S. Representative (CA-22) | David G. Valadao (R) | 202-225-4695 | 53% |
| U.S. Representative (CA-20) | Vince Fong (R) | 202-225-2915 | 47% |
| 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 16) | Melissa Hurtado (Democratic) | 661-395-2620 | 96% |
| State Senator (State Senate District 12) | Shannon Grove (R) | 661-323-0443 | 3.5% |
| Assembly Member (Assembly District 33) | Ali Macedo (R) | 559-636-3440 | 97% |
| Assembly Member (Assembly District 32) | Stan Ellis (R) | 661-395-2995 | 3.4% |
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
- Porterville website: http://www.ci.porterville.ca.us
- Porterville laws: search for the Porterville, California code of ordinances
- East Porterville laws: search for the East Porterville, California code of ordinances
- Tulare County website: https://tularecounty.ca.gov/
- Tulare County laws: search for the Tulare County, California code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 16 | 96% |
| State Senate District 12 | 3.5% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 33 | 97% |
| Assembly District 32 | 3.4% |
Voting precincts
60 voting precincts overlap ZIP 93257. 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:93257")
ZIP 93257 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.