ZIP code 83709: Boise City, ID

ZIP code 83709 is in Boise City (42% of residents), in Ada County, Idaho. 58% of its residents live outside city limits. It is in Idaho's 1st congressional district (60%) and Idaho's 2nd congressional district (40%). Its state senate districts are State Senate District 22 (56%), State Senate District 17 (30%), State Senate District 15 (9.0%), State Senate District 18 (3.4%), State Senate District 21 (1.7%) and State Senate District 23 (0.1%); its state house districts are State House District 22 (56%), State House District 17 (30%), State House District 15 (9.0%), State House District 18 (3.4%), State House District 21 (1.7%) and State House District 23 (0.1%).

See it on the mapAll of Idaho

City and county

Congressional districts

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

Voting precincts

29 voting precincts overlap ZIP 83709. 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:83709")

ZIP 83709 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.