ZIP code 91377: Oak Park, CA
ZIP code 91377 is in Oak Park, in Ventura County, California. It is in California's 26th congressional district. Its state senate district is State Senate District 27; its state house district is Assembly District 42.
See it on the mapAll of California
City and county
| City or town | Share of ZIP residents |
|---|---|
| Oak Park | 100% |
| County | Share of ZIP residents |
|---|---|
| Ventura County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Thousand Oaks CCD | 100% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| California's 26th congressional district (CA-26) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (CA-26) | Julia Brownley (D) | 202-225-5811 | 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 27) | Henry Stern (Democratic) | 818-501-0650 | 100% |
| Assembly Member (Assembly District 42) | Jacqui Irwin (Democratic) | 424-238-2421 | 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
- Oak Park laws: search for the Oak Park, California code of ordinances
- Ventura County website: https://venturacounty.gov/
- Ventura County laws: search for the Ventura County, California code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 27 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 42 | 100% |
Voting precincts
15 voting precincts overlap ZIP 91377. 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:91377")
ZIP 91377 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.