ZIP code 91381: Stevenson Ranch, CA
ZIP code 91381 is in Stevenson Ranch (97% of residents), in Los Angeles County, California. It is in California's 27th congressional district. Its state senate district is State Senate District 23; its state house district is Assembly District 40.
See it on the mapAll of California
City and county
| City or town | Share of ZIP residents |
|---|---|
| Stevenson Ranch | 97% |
| County | Share of ZIP residents |
|---|---|
| Los Angeles County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Newhall CCD | 100% |
| San Fernando Valley CCD | land only |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| California's 27th congressional district (CA-27) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (CA-27) | George Whitesides (D) | 202-225-1956 | 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 23) | Suzette Valladares (R) | 661-729-6232 | 100% |
| Assembly Member (Assembly District 40) | Pilar Schiavo (Democratic) | 661-286-1565 | 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
- Stevenson Ranch laws: search for the Stevenson Ranch, 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 23 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 40 | 100% |
Voting precincts
11 voting precincts overlap ZIP 91381. 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:91381")
ZIP 91381 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.