Boundary Atlas

ZIP code 84320: Lewiston, UT

ZIP code 84320 is in Lewiston (80% of residents) and Cove (16%), in Cache County, Utah. It is in Utah's 2nd congressional district. Its state senate district is State Senate District 2; its state house districts are State House District 2 (84%) and State House District 3 (16%).

2,411residents (2020 Census)
47.3 sq miland area
2cities and towns
1congressional district
4voting precincts

See it on the mapAll of Utah

City and county

City or townShare of ZIP residents
Lewiston80%
Cove16%

CountyShare of ZIP residents
Cache County100%

Town or county subdivisionShare of ZIP residents
Lewiston CCD100%

Congressional district

Congressional districtShare of ZIP residents
Utah's 2nd congressional district (UT-02)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (UT-02)Celeste Maloy (R)202-225-9730100%
U.S. SenatorJohn R. Curtis (R)202-224-5251statewide
U.S. SenatorMike Lee (R)202-224-5444 · contact formstatewide
State Senator (State Senate District 2)Chris Wilson (R)100%
State Representative (State House District 2)Mike Petersen (R)435-770-692584%
State Representative (State House District 3)Jason Thompson (R)801-505-878716%

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 2100%

State house districtShare of ZIP residents
State House District 284%
State House District 316%

Voting precincts

4 voting precincts overlap ZIP 84320. 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:84320")

ZIP 84320 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.