Corson County, SD Population

Overview

3,965

Total Population

27.8

Median age

50.26%

Female population %

98.9:100

Gender ratio (M:F)

10-14 years

Largest age group

74.0

Total dependency ratio

American Indian and Alaska Native

Largest racial group

18

Hispanic population

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

TABLE OF CONTENTS

Age

Corson County's population is young compared to the rest of the country:

The median age in Corson County is 27.8, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Corson County's population under 18 was 37.40%, compared to the 22.51% nationwide.
Corson County's elderly or the senior population (over 65 age) was 11.22% as compared to 16.04% nationwide.
Of the total population in Corson County, 31.30% were under the age of 15, 20.58% aged 15 to 29, 36.90% aged 30 to 64, 10.16% aged 65 to 84, and 1.06% were 85 years of age and older.

There are 21 more females than males in Corson County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 50.26% females and 49.74% males in Corson County, SD.
The Corson County, SD gender ratio is 98.9:100 i.e. 98.9 men to 100 women (0.989).
For male population, the largest age group is 10-14 years with a population of 276.
For the female population, the largest age group is 10-14 years with a population of 234.

Corson County's population has become increasingly diverse:

Racial distribution of Corson County population: 27.09% are White, 0.08% are Black or African American, 71.05% are American Indian and Alaska Native, 0.13% are some other race and 1.66% are multiracial.
Corson County's racial breakdown clearly shows that there is an absolute majority of American Indian and Alaska Native population in the county.
By ethnicity, 18 is Hispanic or Latino (of any race), and 3,947 (99.55% of the total population) is Non-Hispanic.
The largest racial group in Corson County is American Indian and Alaska Native with a population of 2,817 (71.05% of the total population).

Corson County's population has already reached its peak and is showing a trend of decline:

The peak population was 4,309 in the year 2004
From 2000 to 2010, Corson County's population decreased by 130 (3.10%), as compared to the national growth of 9.63%.
From 2010 to 2020, Corson County's population decreased by 173 (4.26%), 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, Corson County's population was lowest in year 2022 at 3,826.