ZIP code 82443: Thermopolis, WY
ZIP code 82443 is in Thermopolis (61% of residents), Lucerne (12%) and East Thermopolis (5.1%), in Hot Springs County, Wyoming. 22% of its residents live outside city limits. It is in Wyoming's at-large congressional district. Its state senate district is State Senate District 20; its state house district is State House District 28.
See it on the mapAll of Wyoming
City and county
| City or town | Share of ZIP residents |
|---|---|
| Thermopolis | 61% |
| Lucerne | 12% |
| East Thermopolis | 5.1% |
| Owl Creek | <0.1% |
| County | Share of ZIP residents |
|---|---|
| Hot Springs County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Thermopolis West CCD | 85% |
| Thermopolis East CCD | 11% |
| Wind River Reservation CCD | 3.8% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Wyoming's at-large congressional district (WY-AL) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| Mayor | Adam R. Estenson | 61% | |
| U.S. Representative (WY-AL) | Harriet M. Hageman (R) | 202-225-2311 | 100% |
| U.S. Senator | Cynthia M. Lummis (R) | 202-224-3424 · contact form | statewide |
| U.S. Senator | John Barrasso (R) | 202-224-6441 · contact form | statewide |
| State Senator (State Senate District 20) | Ed Cooper (R) | 100% | |
| State Representative (State House District 28) | John Winter (R) | 307-690-0185 | 100% |
From Wikidata (community-maintained); confirm on the city's website.
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); Mayors: Wikidata (CC0).
Local government
- Thermopolis website: http://www.townofthermopolis.com
- Thermopolis laws: search for the Thermopolis, Wyoming code of ordinances
- Lucerne laws: search for the Lucerne, Wyoming code of ordinances
- East Thermopolis laws: search for the East Thermopolis, Wyoming code of ordinances
- Hot Springs County website: http://www.hscounty.com
- Hot Springs County laws: search for the Hot Springs County, Wyoming code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 20 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 28 | 100% |
Voting precincts
4 voting precincts overlap ZIP 82443. 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:82443")
ZIP 82443 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.