Boundary Atlas

ZIP code 91007: Arcadia, CA

ZIP code 91007 is in Arcadia (91% of residents), East San Gabriel (6.1%) and Temple City (2.8%), in Los Angeles County, California. It is in California's 28th congressional district. Its state senate district is State Senate District 25; its state house district is Assembly District 49.

33,804residents (2020 Census)
5.5 sq miland area
4cities and towns
1congressional district
13voting precincts

See it on the mapAll of California

City and county

City or townShare of ZIP residents
Arcadia91%
East San Gabriel6.1%
Temple City2.8%
East Pasadena0.1%

CountyShare of ZIP residents
Los Angeles County100%

Town or county subdivisionShare of ZIP residents
Upper San Gabriel Valley CCD100%
Pasadena CCD0.1%

Congressional district

Congressional districtShare of ZIP residents
California's 28th congressional district (CA-28)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 25100%

State house districtShare of ZIP residents
Assembly District 49100%

Voting precincts

13 voting precincts overlap ZIP 91007. 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:91007")

ZIP 91007 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.