Boundary Atlas

ZIP code 82501: Riverton, WY

ZIP code 82501 is in Riverton (58% of residents) and Arapahoe (5.0%), in Fremont County, Wyoming. 37% of its residents live outside city limits. It is in Wyoming's at-large congressional district. Its state senate districts are State Senate District 26 (84%), State Senate District 25 (16%) and State Senate District 20 (<0.1%); its state house districts are State House District 55 (53%), State House District 34 (31%), State House District 33 (16%) and State House District 28 (<0.1%).

18,523residents (2020 Census)
694.2 sq miland area
3cities and towns
1congressional district
19voting precincts

See it on the mapAll of Wyoming

City and county

City or townShare of ZIP residents
Riverton58%
Arapahoe5.0%
Johnstown0.2%

CountyShare of ZIP residents
Fremont County100%

Town or county subdivisionShare of ZIP residents
Wind River Reservation CCD100%
Jeffrey City CCD<0.1%
Shoshoni CCDland only

Congressional district

Congressional districtShare of ZIP residents
Wyoming's at-large congressional district (WY-AL)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (WY-AL)Harriet M. Hageman (R)202-225-2311100%
U.S. SenatorCynthia M. Lummis (R)202-224-3424 · contact formstatewide
U.S. SenatorJohn Barrasso (R)202-224-6441 · contact formstatewide
State Senator (State Senate District 26)Tim Salazar (R)307-220-121384%
State Senator (State Senate District 25)Cale Case (R)307-332-762316%
State Senator (State Senate District 20)Ed Cooper (R)<0.1%
State Representative (State House District 55)Joel Guggenmos (R)307-488-856453%
State Representative (State House District 34)Pepper Ottman (R)31%
State Representative (State House District 33)Ivan Posey (Democratic)16%
State Representative (State House District 28)John Winter (R)307-690-0185<0.1%

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 2684%
State Senate District 2516%
State Senate District 20<0.1%

State house districtShare of ZIP residents
State House District 5553%
State House District 3431%
State House District 3316%
State House District 28<0.1%

Voting precincts

19 voting precincts overlap ZIP 82501. 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:82501")

ZIP 82501 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.