Hot Springs County, WY ZIP codes
Hot Springs County, WY has 2 ZIP codes, in 2 towns: 82443 and 82430.
The county seat is Thermopolis.
- ZIP codes
- 2
- Towns
- 2
- County seat
- Thermopolis
- County FIPS
56017- State
- Wyoming
- Population
- 4,620
- Median household income
- $61,250
- Land area
- 2,004 sq mi
Hot Springs County ZIP codes by town
- Thermopolis (county seat)
- 82443
Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.
Map of Hot Springs County ZIP codes
The ZIP codes of Hot Springs County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Hot Springs County in numbers
About 4,620 people live in Hot Springs County, in 2,140 households, the 22nd most populous of Wyoming's 23 counties. The median household income is $61,250 a year, 20% below the Wyoming median of $76,176 (US: $80,734). The median owner-occupied home is valued at $227,500 (27% below the Wyoming median), and median gross rent is $887 a month. The median age is 43.3; 26.7% of adults 25 and over hold a bachelor's degree or higher (30.6% across Wyoming); the average commute takes 14 minutes.
| Population | 4,620 |
|---|---|
| Households | 2,140 |
| Median age | 43.3 |
| Median household income | $61,250 |
| Median home value | $227,500 |
| Median gross rent | $887 |
| Bachelor's degree or higher | 26.7% |
| Mean commute | 13.8 min |
| Population density | 2 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.
Largest towns in Hot Springs County
| Town | ZIP codes | Population |
|---|---|---|
| Thermopolis | 1 | 2,709 |
| Kirby | 1 | 60 |
Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.
Neighbouring counties
Counties that share a ZIP code with Hot Springs County.
Not sure you are in Hot Springs County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Hot Springs County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
82430 | Kirby , WY | Standard | 77 | $35,417 | $86,300 |
82443 | Thermopolis , WY | Standard | 4,533 | $62,767 | $230,000 |
Cite this page
zipcodes.pro. “Hot Springs County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/wy/county/hot-springs
Underlying data is public domain or openly licensed — sources, vintages and licences.