Boundary Atlas

ZIP code 83644: Middleton, ID

ZIP code 83644 is in Middleton (65% of residents), in Canyon County, Idaho. 35% of its residents live outside city limits. It is in Idaho's 1st congressional district. Its state senate district is State Senate District 10; its state house district is State House District 10.

14,568residents (2020 Census)
45.8 sq miland area
1cities and towns
1congressional district
4voting precincts

See it on the mapAll of Idaho

City and county

City or townShare of ZIP residents
Middleton65%

CountyShare of ZIP residents
Canyon County100%

Town or county subdivisionShare of ZIP residents
Middleton CCD100%

Congressional district

Congressional districtShare of ZIP residents
Idaho's 1st congressional district (ID-01)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 10100%

State house districtShare of ZIP residents
State House District 10100%

Voting precincts

4 voting precincts overlap ZIP 83644. 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:83644")

ZIP 83644 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.