The total population of Oglala Lakota County, South Dakota is 13,695. The median age of the population of Oglala Lakota County, South Dakota is 26.3 years. The median age for males is 24.1 years. The median age for females is 28.6 years. The chart shows the distribution of the population of Oglala Lakota County, South Dakota by sex & age (gender & age demographics). Clay County, South Dakota is next with a population of 14,953, followed by Union County, South Dakota, which has a population of 16,700.
The chart shows the breakdown of the total population of Oglala Lakota County, South Dakota by race and ethnicity (racial demographics), which is as follows: White: 4.60%; Black/African American: 0.06%; American Indian and Alaska Native: 89.89%; Asian: 0.00%; Native Hawaiian or Other Pacific Islander: 0.00%; Some other race: 0.00%; Two or more races: 0.18%; Hispanic or Latino: 5.27%.
Oglala Lakota County, South Dakota has a diversity score of 0.8130, which suggests a very low level of diversity. The population is heavily dominated by one group, with very few other groups..
The median household income in Oglala Lakota County, South Dakota in the past 12 months, in 2022 inflation-adjusted dollars, was $32,279. The chart shows the distribution of household income by income level for the population of Oglala Lakota County, South Dakota.
The chart shows the breakdown of the total population, 25 and older, of Oglala Lakota County, South Dakota by educational attainment, which is as follows: Less than high school graduate: 26.05%; High school graduate (includes equivalency): 35.24%; Some college or associate's degree: 30.55%; Bachelor's Degree: 5.75%; Graduate or professional degree: 2.40%. 8.15% of the population, 25 and older, of Oglala Lakota County, South Dakota has a Bachelor's degree or higher.
The chart shows the distribution of health insurance coverage status by sex by age for the population of Oglala Lakota County, South Dakota. 40.05% of the population of Oglala Lakota County, South Dakota has no health insurance coverage.
The chart shows the breakdown of the population of Oglala Lakota County, South Dakota by nativity and citizenship status in the United States. 100.00% of the population of Oglala Lakota County, South Dakota are United States citizens, including residents born in the United States, born in Puerto Rico or United States Island Areas, born abroad of American parent(s), or by naturalization. 0.12% of the population of Oglala Lakota County, South Dakota are citizens by naturalization.
Note on the available American Community Survey (ACS) data sources:
The data and analysis of these topics is based on the
United States Census Bureau's
American Community Survey (ACS)
5-Year Estimates (current 2022 Edition). These estimates are also available for select geographies, depending on the size of the population, based on
ACS 1-Year Estimates or
ACS 1-Year Supplemental Estimates. The margin of error data is available for all reports.