Overview
1,691
Total Population
42.0
Median age
49.20%
Female population %
103.2:100
Gender ratio (M:F)
0-4 years
Largest age group
76.9
Total dependency ratio
White
Largest racial group
202
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Cheyenne County's population is old compared to the rest of the country:
- The median age in Cheyenne County is 42.0, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- Cheyenne County's population under 18 was 28.62%, compared to the 22.51% nationwide.
- Cheyenne County's elderly or the senior population (over 65 age) was 19.46% as compared to 16.04% nationwide.
- Of the total population in Cheyenne County, 24.01% were under the age of 15, 12.83% aged 15 to 29, 43.70% aged 30 to 64, 17.68% aged 65 to 84, and 1.77% were 85 years of age and older.

Read more about Cheyenne County, CO population by age ➔
Gender
There are 27 less females than males in Cheyenne County:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 49.20% females and 50.80% males in Cheyenne County, CO.
- The Cheyenne County, CO gender ratio is 103.2:100 i.e. 103.2 men to 100 women (1.032).
- For male population, the largest age group is 40-44 years with a population of 99.
- For the female population, the largest age group is 0-4 years with a population of 125.

Read more about Cheyenne County, CO population by gender ➔
Race / Ethnicity
Cheyenne County's population has become increasingly diverse:
- Racial distribution of Cheyenne County population: 88.11% are White, 0.30% are Black or African American, 0.18% are Asian, 0.24% are Native Hawaiian and other Pacific Islander, 1.36% are some other race and 9.82% are multiracial.
- Cheyenne County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
- By ethnicity, 202 is Hispanic or Latino (of any race), and 1,489 (88.05% of the total population) is Non-Hispanic.
- The largest racial group in Cheyenne County is White with a population of 1,49 (88.11% of the total population).

Read more about Cheyenne County, CO population by race ➔
Year by year
Cheyenne County's population has already reached its peak and is showing a trend of decline:
- The peak population was 2,205 in the year 2000
- From 2000 to 2010, Cheyenne County's population decreased by 372 (16.87%), as compared to the national growth of 9.63%.
- From 2010 to 2020, Cheyenne County's population decreased by 89 (4.86%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
- Between the year 2000 and 2022, Cheyenne County's population was lowest in year 2021 at 1,716.

Read more about Cheyenne County, CO population by year ➔
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates
- U.S. Census Bureau Population Estimates Population Estimates Program (PEP)