Boundary Atlas

ZIP code 85553: Tonto Basin, AZ

ZIP code 85553 is in Tonto Basin (97% of residents), in Gila County, Arizona. It is in Arizona's 2nd congressional district. Its state senate district is State Senate District 7; its state house district is State House District 7.

1,491residents (2020 Census)
303.3 sq miland area
1cities and towns
1congressional district
2voting precincts

See it on the mapAll of Arizona

City and county

City or townShare of ZIP residents
Tonto Basin97%

CountyShare of ZIP residents
Gila County100%

Town or county subdivisionShare of ZIP residents
Tonto Basin CCD100%

Congressional district

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

State legislative districts

State senate districtShare of ZIP residents
State Senate District 7100%

State house districtShare of ZIP residents
State House District 7100%

Voting precincts

2 voting precincts overlap ZIP 85553. 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:85553")

ZIP 85553 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.