Boundary Atlas

ZIP code 93066: Somis, CA

ZIP code 93066 is in Somis (46% of residents), in Ventura County, California. 55% of its residents live outside city limits. It is in California's 26th congressional district. Its state senate districts are State Senate District 21 (54%) and State Senate District 27 (46%); its state house districts are Assembly District 38 (100%) and Assembly District 42 (0.4%).

3,141residents (2020 Census)
42.1 sq miland area
1cities and towns
1congressional district
26voting precincts

See it on the mapAll of California

City and county

City or townShare of ZIP residents
Somis46%

CountyShare of ZIP residents
Ventura County100%

Town or county subdivisionShare of ZIP residents
Las Posas CCD74%
Camarillo CCD26%

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 2154%
State Senate District 2746%

State house districtShare of ZIP residents
Assembly District 38100%
Assembly District 420.4%

Voting precincts

26 voting precincts overlap ZIP 93066. 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:93066")

ZIP 93066 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.