Crook County, WY ZIP codes
Crook 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.
ZIP codes partly in Crook County
This ZIP code lies mostly in a neighbouring county but covers a twentieth or more of Crook County.
- 57717 Belle Fourche · mostly in Butte County
Map of Crook County ZIP codes
The ZIP codes of Crook 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.
Crook County in numbers
About 7,455 people live in Crook County, in 2,907 households, the 20th most populous of Wyoming's 23 counties. The median household income is $79,637 a year, 5% above the Wyoming median of $76,176 (US: $80,734). The median owner-occupied home is valued at $285,800 (8% below the Wyoming median), and median gross rent is $852 a month. The median age is 44.1; 24.5% of adults 25 and over hold a bachelor's degree or higher (30.6% across Wyoming); the average commute takes 25 minutes.
| Population | 7,455 |
|---|---|
| Households | 2,907 |
| Median age | 44.1 |
| Median household income | $79,637 |
| Median home value | $285,800 |
| Median gross rent | $852 |
| Bachelor's degree or higher | 24.5% |
| Mean commute | 24.7 min |
| Population density | 3 / 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 Crook County
| Town | ZIP codes | Population |
|---|---|---|
| Moorcroft | 1 | 1,096 |
| Sundance | 1 | 912 |
| Hulett | 1 | 428 |
| Alva | 1 | 254 |
| Aladdin | 1 | 246 |
| Devils Tower | 1 | 196 |
| Beulah | 1 | 163 |
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 Crook County.
- Campbell County (8)
- Lawrence County, SD (7)
- Butte County, SD (4)
- Weston County (4)
- Carter County, MT (4)
- Harding County, SD (6)
Not sure you are in Crook County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Crook County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
82710 | Aladdin , WY | Standard | 246 | $53,603 | $488,500 |
82711 | Alva , WY | Standard | 254 | $58,623 | — |
82712 | Beulah , WY | Standard | 163 | — | $2,000,000+ |
82714 | Devils Tower , WY | Standard | 196 | — | — |
82720 | Hulett , WY | Standard | 995 | $80,170 | $246,000 |
82721 | Moorcroft , WY | Standard | 2,955 | $72,865 | $276,500 |
82729 | Sundance , WY | Standard | 2,331 | $89,306 | $308,400 |
Cite this page
zipcodes.pro. “Crook County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/wy/county/crook
Underlying data is public domain or openly licensed — sources, vintages and licences.