Boundary Atlas

ZIP code 84031: Duchesne County, UT

ZIP code 84031 is in Duchesne County, Utah, outside any city or Census-designated place. It is in Utah's 3rd congressional district. Its state senate district is State Senate District 20; its state house district is State House District 68.

278residents (2020 Census)
594.9 sq miland area
0cities and towns
1congressional district
5voting precincts

See it on the mapAll of Utah

City and county

Outside any city or Census-designated place.


CountyShare of ZIP residents
Duchesne County100%

Town or county subdivisionShare of ZIP residents
Duchesne CCD92%
North Duchesne CCD7.9%

Congressional district

Congressional districtShare of ZIP residents
Utah's 3rd congressional district (UT-03)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (UT-03)Mike Kennedy (R)202-225-7751100%
U.S. SenatorJohn R. Curtis (R)202-224-5251statewide
U.S. SenatorMike Lee (R)202-224-5444 · contact formstatewide
State Senator (State Senate District 20)Ron Winterton (R)100%
State Representative (State House District 68)Scott Chew (R)100%

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 20100%

State house districtShare of ZIP residents
State House District 68100%

Voting precincts

5 voting precincts overlap ZIP 84031. 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:84031")

ZIP 84031 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.