ZIP code 83646: Meridian, ID

ZIP code 83646 is in Meridian (97% of residents), in Ada County, Idaho. It is in Idaho's 1st congressional district (97%) and Idaho's 2nd congressional district (3.2%). Its state senate districts are State Senate District 20 (70%), State Senate District 21 (23%), State Senate District 15 (3.2%), State Senate District 14 (3.2%) and State Senate District 10 (0.2%); its state house districts are State House District 20 (70%), State House District 21 (23%), State House District 15 (3.2%), State House District 14 (3.2%) and State House District 10 (0.2%).

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

33 voting precincts overlap ZIP 83646. 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:83646")

ZIP 83646 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.