Boundary Atlas

ZIP code 95623: Diamond Springs, CA

ZIP code 95623 is in Diamond Springs (46% of residents), in El Dorado County, California. 54% of its residents live outside city limits. It is in California's 7th congressional district. Its state senate district is State Senate District 4; its state house district is Assembly District 5.

4,267residents (2020 Census)
44.7 sq miland area
1cities and towns
1congressional district
8voting precincts

See it on the mapAll of California

City and county

City or townShare of ZIP residents
Diamond Springs46%

CountyShare of ZIP residents
El Dorado County100%

Town or county subdivisionShare of ZIP residents
South El Dorado CCD100%

Congressional district

Congressional districtShare of ZIP residents
California's 7th congressional district (CA-07)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 4100%

State house districtShare of ZIP residents
Assembly District 5100%

Voting precincts

8 voting precincts overlap ZIP 95623. 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:95623")

ZIP 95623 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.