Boundary Atlas

ZIP code 96084: Round Mountain, CA

ZIP code 96084 is in Round Mountain (31% of residents) and Montgomery Creek (3.1%), in Shasta County, California. 66% of its residents live outside city limits. It is in California's 2nd congressional district. Its state senate district is State Senate District 1; its state house district is Assembly District 1.

515residents (2020 Census)
54.3 sq miland area
2cities and towns
1congressional district
2voting precincts

See it on the mapAll of California

City and county

City or townShare of ZIP residents
Round Mountain31%
Montgomery Creek3.1%

CountyShare of ZIP residents
Shasta County100%

Town or county subdivisionShare of ZIP residents
Central Shasta CCD100%

Congressional district

Congressional districtShare of ZIP residents
California's 2nd congressional district (CA-02)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 1100%

State house districtShare of ZIP residents
Assembly District 1100%

Voting precincts

2 voting precincts overlap ZIP 96084. 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:96084")

ZIP 96084 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.