Overview
17,829
Total Population
39.0
Median age
50.69%
Female population %
97.3:100
Gender ratio (M:F)
35-39 years
Largest age group
60.1
Total dependency ratio
White
Largest racial group
605
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Hughes County's population is old compared to the rest of the country:
- The median age in Hughes County is 39.0, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- Hughes County's population under 18 was 24.65%, compared to the 22.51% nationwide.
- Hughes County's elderly or the senior population (over 65 age) was 16.51% as compared to 16.04% nationwide.
- Of the total population in Hughes County, 21.03% were under the age of 15, 15.84% aged 15 to 29, 46.62% aged 30 to 64, 14.81% aged 65 to 84, and 1.69% were 85 years of age and older.

Read more about Hughes County, SD population by age ➔
Gender
There are 247 more females than males in Hughes County:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 50.69% females and 49.31% males in Hughes County, SD.
- The Hughes County, SD gender ratio is 97.3:100 i.e. 97.3 men to 100 women (0.973).
- For male population, the largest age group is 60-64 years with a population of 862.
- For the female population, the largest age group is 35-39 years with a population of 790.

Read more about Hughes County, SD population by gender ➔
Race / Ethnicity
Hughes County's population has become increasingly diverse:
- Racial distribution of Hughes County population: 81.71% are White, 0.07% are Black or African American, 11.62% are American Indian and Alaska Native, 0.02% are Asian, 0.08% are some other race and 6.50% are multiracial.
- Hughes County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
- By ethnicity, 605 is Hispanic or Latino (of any race), and 17,224 (96.61% of the total population) is Non-Hispanic.
- The largest racial group in Hughes County is White with a population of 14,568 (81.71% of the total population).

Read more about Hughes County, SD population by race ➔
Year by year
Hughes County's population has already reached its peak and is showing a trend of decline:
- The peak population was 17,768 in the year 2021
- From 2000 to 2010, Hughes County's population increased by 554 (3.35%), as compared to the national growth of 9.63%.
- From 2010 to 2020, Hughes County's population increased by 668 (3.91%), 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, Hughes County's population was lowest in year 2001 at 16,404.

Read more about Hughes County, SD 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)