How many people live in ?

Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 33,000 people living in Sheridan County, WY. That makes Sheridan County the seventh-most populous county in Wyoming. It is home to 5.6% of people living in the state.

33K

population of Sheridan County, WY (2024)

5.6%

County share of the Wyoming population (2024)

About 33,000 people lived in Sheridan County, WY in 2024.

Population estimates, 2000–2024

What are Sheridan County, WY’s age demographics?

About 7,900 Sheridan County residents are aged 65 and older in 2024. That represents 23.9% of its population. For comparison, the age group represents 19.8% of Wyoming’s population and 18% in the US overall.
Another 6,800 Sheridan County residents, or 20.5% 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 higher share of Sheridan County, WY's population is aged 65 or older than the US as a whole.

Population estimates by age group, (2024)

What are Sheridan County, WY’s racial and ethnic demographics?

Non-Hispanic white residents make up 90.6% of the Sheridan County, WY population, higher than the national share of 57.5%. Sheridan County, WY also has a larger share of people identifying as non-Hispanic American Indian and Alaska Native (1.1%) than the US overall (0.72%).
In contrast, Sheridan County’s Hispanic population accounts for 5.1%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 0.79% 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.

Sheridan 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 Sheridan County, WY is Sheridan with about 19,800 residents in 2024.

Cities and towns in Sheridan County, WY ranked by population

Population (2024), includes only portions within county

Cities and towns in Sheridan County, WY ranked by population
City or townPopulation
1.

Sheridan 

19,813
2.

Ranchester 

1,176
3.

Dayton 

829
4.

Clearmont 

124
5.

Balance of Sheridan County

11,036

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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.