Bennett County, SD Population

Overview

3,411

Total Population

26.0

Median age

51.86%

Female population %

92.8:100

Gender ratio (M:F)

5-9 years

Largest age group

79.1

Total dependency ratio

American Indian and Alaska Native

Largest racial group

3

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Bennett County is 26.0, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Bennett County's population under 18 was 40.75%, compared to the 22.51% nationwide.
Bennett County's elderly or the senior population (over 65 age) was 11.84% as compared to 16.04% nationwide.
Of the total population in Bennett County, 32.34% were under the age of 15, 22.31% aged 15 to 29, 33.51% aged 30 to 64, 10.47% aged 65 to 84, and 1.38% were 85 years of age and older.

There are 127 more females than males in Bennett County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 51.86% females and 48.14% males in Bennett County, SD.
The Bennett County, SD gender ratio is 92.8:100 i.e. 92.8 men to 100 women (0.928).
For male population, the largest age group is 5-9 years with a population of 262.
For the female population, the largest age group is 10-14 years with a population of 250.

Bennett County's population has become increasingly diverse:

Racial distribution of Bennett County population: 34.89% are White, 0.15% are Black or African American, 57.02% are American Indian and Alaska Native, 1% are Asian, 2.23% are some other race and 4.72% are multiracial.
Bennett County's racial breakdown clearly shows that there is an absolute majority of American Indian and Alaska Native population in the county.
By ethnicity, 3 is Hispanic or Latino (of any race), and 3,111 (91.20% of the total population) is Non-Hispanic.
The largest racial group in Bennett County is American Indian and Alaska Native with a population of 1,945 (57.02% of the total population).

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

The peak population was 3,609 in the year 2000
From 2000 to 2010, Bennett County's population decreased by 158 (4.38%), as compared to the national growth of 9.63%.
From 2010 to 2020, Bennett County's population decreased by 62 (1.80%), 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, Bennett County's population was lowest in year 2022 at 3,336.