Fremont County, WY ZIP codes
Fremont County ZIP codes by town
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 Fremont County ZIP codes
The ZIP codes of Fremont 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.
Fremont County in numbers
About 39,533 people live in Fremont County, in 15,037 households, the 5th most populous of Wyoming's 23 counties. The median household income is $64,904 a year, 15% below the Wyoming median of $76,176 (US: $80,734). The median owner-occupied home is valued at $268,800 (13% below the Wyoming median), and median gross rent is $898 a month. The median age is 39.7; 26.5% of adults 25 and over hold a bachelor's degree or higher (30.6% across Wyoming); the average commute takes 17 minutes.
| Population | 39,533 |
|---|---|
| Households | 15,037 |
| Median age | 39.7 |
| Median household income | $64,904 |
| Median home value | $268,800 |
| Median gross rent | $898 |
| Bachelor's degree or higher | 26.5% |
| Mean commute | 17.2 min |
| Population density | 4 / 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 Fremont County
| Town | ZIP codes | Population |
|---|---|---|
| Riverton | 1 | 10,856 |
| Lander | 1 | 7,432 |
| Arapahoe | 1 | 1,240 |
| Fort Washakie | 1 | 1,219 |
| Dubois | 1 | 801 |
| Shoshoni | 1 | 677 |
| Hudson | 1 | 401 |
| Pavillion | 1 | 318 |
| Kinnear | 1 | 299 |
| Crowheart | 1 | 115 |
| Lysite | 1 | 33 |
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 Fremont County.
Not sure you are in Fremont County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Fremont County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
82310 | Jeffrey City , WY | Standard | 0 | — | — |
82501 | Riverton , WY | Standard | 19,413 | $60,449 | $237,800 |
82510 | Arapahoe , WY | Standard | 875 | $55,000 | $162,500 |
82512 | Crowheart , WY | Standard | 294 | — | — |
82513 | Dubois , WY | Standard | 1,627 | $66,332 | $382,600 |
82514 | Fort Washakie , WY | Standard | 1,192 | $31,667 | $92,200 |
82515 | Hudson , WY | Standard | 437 | $53,000 | $180,600 |
82516 | Kinnear , WY | Standard | 299 | $40,208 | — |
82520 | Lander , WY | Standard | 13,266 | $76,959 | $337,700 |
82523 | Pavillion , WY | Standard | 945 | $57,188 | $237,500 |
82524 | Saint Stephens , WY | No street area | — | — | — |
82642 | Lysite , WY | Standard | 33 | $80,000 | — |
82649 | Shoshoni , WY | Standard | 1,152 | $69,375 | $155,100 |
Cite this page
zipcodes.pro. “Fremont County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/wy/county/fremont
Underlying data is public domain or openly licensed — sources, vintages and licences.