Boundary Atlas

ZIP code 93035: Oxnard, CA

ZIP code 93035 is in Oxnard (90% of residents) and Channel Islands Beach (10%), in Ventura County, California. It is in California's 26th congressional district. Its state senate district is State Senate District 21; its state house district is Assembly District 38.

28,070residents (2020 Census)
5.0 sq miland area
3cities and towns
1congressional district
30voting precincts

See it on the mapAll of California

City and county

City or townShare of ZIP residents
Oxnard90%
Channel Islands Beach10%
Port Hueneme0.1%

CountyShare of ZIP residents
Ventura County100%

Town or county subdivisionShare of ZIP residents
Oxnard CCD100%

Congressional district

Congressional districtShare of ZIP residents
California's 26th congressional district (CA-26)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 21100%

State house districtShare of ZIP residents
Assembly District 38100%

Voting precincts

30 voting precincts overlap ZIP 93035. Map them, with each precinct's share of the ZIP's residents.

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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:93035")

ZIP 93035 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.