How many people live in Crook County, WY?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 7,800 people living in Crook County, WY. That makes Crook County the 19th-most populous county in Wyoming. It is home to 1.3% of people living in the state.
7.78K
population of Crook County, WY (2024)
1.3%
County share of the Wyoming population (2024)
About 7,800 people lived in Crook County, WY in 2024.
Population estimates, 2000–2024
What are Crook County, WY’s age demographics?
About 1,800 Crook County residents are aged 65 and older in 2024. That represents 23.5% of its population. For comparison, the age group represents 19.8% of Wyoming’s population and 18% in the US overall.
Another 1,900 Crook County residents, or 24.8% of the population, were children under 18. For comparison, the age group represents 21.9% of Wyoming’s population and 21.6% in the US overall.
A lower share of Crook County, WY's population is aged 25–44 than the US as a whole.
Population estimates by age group, (2024)
What are Crook County, WY’s racial and ethnic demographics?
Non-Hispanic white residents make up 94.1% of the Crook County, WY population, higher than the national share of 57.5%. Crook County, WY also has a larger share of people identifying as non-Hispanic American Indian and Alaska Native (0.9%) than the US overall (0.72%).
In contrast, Crook County’s Hispanic population accounts for 2.4%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 0.87% of the county, compared with 12.6% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
Crook County, WY has a higher share of a non-Hispanic white population than Wyoming as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Crook County, WY is Sundance with about 1,100 residents in 2024.
Cities and towns in Crook County, WY ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Sundance | 1,123 |
| 2. | Moorcroft | 1,025 |
| 3. | Pine Haven | 565 |
| 4. | Hulett | 341 |
| 5. | Balance of Crook County | 4,721 |
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Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.
