ZIP code 91759: San Bernardino County, CA
ZIP code 91759 is in San Bernardino County (83%) and Los Angeles County (17%), California, outside any city or Census-designated place. It is in California's 28th congressional district. Its state senate district is State Senate District 25; its state house district is Assembly District 41.
See it on the mapAll of California
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| San Bernardino County | 83% |
| Los Angeles County | 17% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Mount Baldy-Wrightwood CCD | 83% |
| South Antelope Valley CCD | 17% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| California's 28th congressional district (CA-28) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (CA-28) | Judy Chu (D) | 202-225-5464 | 100% |
| 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 25) | Sasha Pérez (Democratic) | 818-409-0402 | 100% |
| Assembly Member (Assembly District 41) | John Harabedian (Democratic) | 626-351-1917 | 100% |
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
- San Bernardino County website: https://main.sbcounty.gov/
- San Bernardino County laws: search for the San Bernardino County, California code of ordinances
- Los Angeles County website: https://lacounty.gov
- Los Angeles County laws: search for the Los Angeles County, California code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 25 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 41 | 100% |
Voting precincts
5 voting precincts overlap ZIP 91759. 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:91759")
ZIP 91759 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.