Boundary Atlas

ZIP code 96056: Shasta County, CA

ZIP code 96056 is in McArthur (14% of residents) and Little Valley (5.8%), in Shasta County (59%), Lassen County (35%) and Modoc County (6.6%), California. 80% of its residents live outside city limits. It is in California's 2nd congressional district (65%) and California's 1st congressional district (35%). Its state senate district is State Senate District 1; its state house district is Assembly District 1.

1,444residents (2020 Census)
216.1 sq miland area
2cities and towns
2congressional districts
6voting precincts

See it on the mapAll of California

City and county

City or townShare of ZIP residents
McArthur14%
Little Valley5.8%

CountyShare of ZIP residents
Shasta County59%
Lassen County35%
Modoc County6.6%

Town or county subdivisionShare of ZIP residents
East Shasta CCD59%
Big Valley CCD35%
Adin-Lookout CCD6.6%

Congressional districts

Congressional districtShare of ZIP residents
California's 2nd congressional district (CA-02)65%
California's 1st congressional district (CA-01)35%

This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.

State legislative districts

State senate districtShare of ZIP residents
State Senate District 1100%

State house districtShare of ZIP residents
Assembly District 1100%

Voting precincts

6 voting precincts overlap ZIP 96056. 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:96056")

ZIP 96056 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.