South Dakota Population

Overview

881,785

Total Population

37.1

Median age

49.37%

Female population %

102.6:100

Gender ratio (M:F)

5-9 years

Largest age group

59.9

Total dependency ratio

White

Largest racial group

37,618

Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

TABLE OF CONTENTS

Age

South Dakota's population is young compared to the rest of the country:

The median age in South Dakota is 37.1, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
South Dakota's population under 18 was 24.80%, compared to the 22.51% nationwide.
South Dakota's elderly or the senior population (over 65 age) was 16.65% as compared to 16.04% nationwide.
Of the total population in South Dakota, 20.81% were under the age of 15, 19.77% aged 15 to 29, 42.77% aged 30 to 64, 14.53% aged 65 to 84, and 2.12% were 85 years of age and older.

There are 11,137 less females than males in South Dakota:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 49.37% females and 50.63% males in South Dakota.
The South Dakota gender ratio is 102.6:100 i.e. 102.6 men to 100 women (1.026).
For male population, the largest age group is 10-14 years with a population of 31,887.
For the female population, the largest age group is 5-9 years with a population of 30,911.

South Dakota's population has become increasingly diverse:

Racial distribution of South Dakota population: 82.62% are White, 2.19% are Black or African American, 8.31% are American Indian and Alaska Native, 1.44% are Asian, 0.09% are Native Hawaiian and other Pacific Islander, 0.99% are some other race and 4.37% are multiracial.
South Dakota's racial breakdown clearly shows that there is an absolute majority of White population in the state.
By ethnicity, 37,618 is Hispanic or Latino (of any race), and 844,167 (95.73% of the total population) is Non-Hispanic.
The largest racial group in South Dakota is White with a population of 728,526 (82.62% of the total population).

South Dakota's population has not reached its peak yet and is showing a trend of further growth:

The peak population was 909,824 in the year 2022
From 2000 to 2010, South Dakota's population increased by 60,486 (8.00%), as compared to the national growth of 9.63%.
From 2010 to 2020, South Dakota's population increased by 71,606 (8.77%), 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, South Dakota's population was lowest in year 2000 at 755,707.