Boundary Atlas

ZIP code 95604: Carnelian Bay, CA

ZIP code 95604 is in Carnelian Bay, in Placer County, California. It is in California's 3rd congressional district. Its state senate district is State Senate District 4; its state house district is Assembly District 1.

49residents (2020 Census)
0.1 sq miland area
1cities and towns
1congressional district
1voting precincts

See it on the mapAll of California

City and county

City or townShare of ZIP residents
Carnelian Bay100%

CountyShare of ZIP residents
Placer County100%

Town or county subdivisionShare of ZIP residents
Lake Tahoe CCD100%

Congressional district

Congressional districtShare of ZIP residents
California's 3rd congressional district (CA-03)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 4100%

State house districtShare of ZIP residents
Assembly District 1100%

Voting precincts

1 voting precinct overlap ZIP 95604. 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:95604")

ZIP 95604 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.