Overview
6,408
Total Population
43.9
Median age
48.49%
Female population %
106.2:100
Gender ratio (M:F)
55-59 years
Largest age group
64.6
Total dependency ratio
White
Largest racial group
215
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Spink County's population is old compared to the rest of the country:
- The median age in Spink County is 43.9, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- Spink County's population under 18 was 23.89%, compared to the 22.51% nationwide.
- Spink County's elderly or the senior population (over 65 age) was 20.99% as compared to 16.04% nationwide.
- Of the total population in Spink County, 18.24% were under the age of 15, 17.93% aged 15 to 29, 42.84% aged 30 to 64, 17.93% aged 65 to 84, and 3.06% were 85 years of age and older.

Read more about Spink County, SD population by age ➔
Gender
There are 194 less females than males in Spink County:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 48.49% females and 51.51% males in Spink County, SD.
- The Spink County, SD gender ratio is 106.2:100 i.e. 106.2 men to 100 women (1.062).
- For male population, the largest age group is 55-59 years with a population of 322.
- For the female population, the largest age group is 55-59 years with a population of 305.

Read more about Spink County, SD population by gender ➔
Race / Ethnicity
Spink County's population has become increasingly diverse:
- Racial distribution of Spink County population: 94.55% are White, 1.65% are Black or African American, 0.75% are American Indian and Alaska Native, 0.83% are some other race and 2.22% are multiracial.
- Spink County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
- By ethnicity, 215 is Hispanic or Latino (of any race), and 6,193 (96.64% of the total population) is Non-Hispanic.
- The largest racial group in Spink County is White with a population of 6,059 (94.55% of the total population).

Read more about Spink County, SD population by race ➔
Year by year
Spink County's population has already reached its peak and is showing a trend of decline:
- The peak population was 7,427 in the year 2000
- From 2000 to 2010, Spink County's population decreased by 1,006 (13.55%), as compared to the national growth of 9.63%.
- From 2010 to 2020, Spink County's population decreased by 74 (1.15%), 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, Spink County's population was lowest in year 2022 at 6,235.

Read more about Spink 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)