Overview
3,477
Total Population
42.1
Median age
47.48%
Female population %
110.6:100
Gender ratio (M:F)
5-9 years
Largest age group
71.1
Total dependency ratio
White
Largest racial group
265
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Roger Mills County's population is old compared to the rest of the country:
- The median age in Roger Mills County is 42.1, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- Roger Mills County's population under 18 was 24.91%, compared to the 22.51% nationwide.
- Roger Mills County's elderly or the senior population (over 65 age) was 20.74% as compared to 16.04% nationwide.
- Of the total population in Roger Mills County, 20.82% were under the age of 15, 16.19% aged 15 to 29, 42.25% aged 30 to 64, 18.26% aged 65 to 84, and 2.47% were 85 years of age and older.

Read more about Roger Mills County, OK population by age ➔
Gender
There are 175 less females than males in Roger Mills County:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 47.48% females and 52.52% males in Roger Mills County, OK.
- The Roger Mills County, OK gender ratio is 110.6:100 i.e. 110.6 men to 100 women (1.106).
- For male population, the largest age group is 55-59 years with a population of 159.
- For the female population, the largest age group is 10-14 years with a population of 128.

Read more about Roger Mills County, OK population by gender ➔
Race / Ethnicity
Roger Mills County's population has become increasingly diverse:
- Racial distribution of Roger Mills County population: 85.96% are White, 0.06% are Black or African American, 6.76% are American Indian and Alaska Native, 0.58% are Native Hawaiian and other Pacific Islander, 2.01% are some other race and 4.63% are multiracial.
- Roger Mills County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
- By ethnicity, 265 is Hispanic or Latino (of any race), and 3,212 (92.38% of the total population) is Non-Hispanic.
- The largest racial group in Roger Mills County is White with a population of 2,989 (85.96% of the total population).

Read more about Roger Mills County, OK population by race ➔
Year by year
Roger Mills County's population has already reached its peak and is showing a trend of decline:
- The peak population was 3,782 in the year 2015
- From 2000 to 2010, Roger Mills County's population increased by 251 (7.39%), as compared to the national growth of 9.63%.
- From 2010 to 2020, Roger Mills County's population decreased by 219 (6.00%), 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, Roger Mills County's population was lowest in year 2003 at 3,141.

Read more about Roger Mills County, OK 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)