Boundary Atlas

ZIP code 95045: San Juan Bautista, CA

ZIP code 95045 is in San Juan Bautista (48% of residents), in San Benito County, California. 52% of its residents live outside city limits. It is in California's 18th congressional district. Its state senate district is State Senate District 17; its state house district is Assembly District 29.

4,323residents (2020 Census)
47.3 sq miland area
1cities and towns
1congressional district
6voting precincts

See it on the mapAll of California

City and county

City or townShare of ZIP residents
San Juan Bautista48%

CountyShare of ZIP residents
San Benito County100%

Town or county subdivisionShare of ZIP residents
San Juan Bautista CCD98%
Hollister CCD2.4%

Congressional district

Congressional districtShare of ZIP residents
California's 18th congressional district (CA-18)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 17100%

State house districtShare of ZIP residents
Assembly District 29100%

Voting precincts

6 voting precincts overlap ZIP 95045. 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:95045")

ZIP 95045 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.