Boundary Atlas

ZIP code 84128: West Valley City, UT

ZIP code 84128 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 10 (78%) and State Senate District 11 (22%); its state house districts are State House District 26 (91%) and State House District 27 (8.7%).

31,406residents (2020 Census)
8.4 sq miland area
1cities and towns
1congressional district
15voting precincts

See it on the mapAll of Utah

City and county

City or townShare of ZIP residents
West Valley City100%

CountyShare of ZIP residents
Salt Lake County100%

Town or county subdivisionShare of ZIP residents
Salt Lake City CCD100%

Congressional district

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

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (UT-01)Blake D. Moore (R)202-225-0453100%
U.S. SenatorJohn R. Curtis (R)202-224-5251statewide
U.S. SenatorMike Lee (R)202-224-5444 · contact formstatewide
State Senator (State Senate District 10)Luz Escamilla (Democratic)78%
State Senator (State Senate District 11)Emily Buss (Forward)801-598-473422%
State Representative (State House District 26)Matt MacPherson (R)801-520-297491%
State Representative (State House District 27)Anthony Loubet (R)801-657-04668.7%

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).

Local government

State legislative districts

State senate districtShare of ZIP residents
State Senate District 1078%
State Senate District 1122%

State house districtShare of ZIP residents
State House District 2691%
State House District 278.7%

Voting precincts

15 voting precincts overlap ZIP 84128. 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:84128")

ZIP 84128 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.