ZIP code 84120 is in West Valley City, in Salt Lake County, Utah. It is in Utah's 1st congressional district. Its state senate districts are State Senate District 12 (60%) and State Senate District 10 (40%); its state house districts are State House District 30 (67%), State House District 26 (18%) and State House District 25 (15%).
Elected in 2024 under UT's previous congressional map; this district's lines changed for the 120th Congress (seated January 3, 2027).
Officials serving now (members of Congress until January 3, 2027). Sources: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).
27 voting precincts overlap ZIP 84120.
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:84120")
ZIP 84120 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.