Oglala Lakota County's estimated 2026 population is 13,260 with a growth rate of -0.58% in the past year according to the most recent United States census data. Oglala Lakota County is the 15th largest county in South Dakota. The 2010 population was 13,636 and has seen a growth of -2.76% since that time.
Data after 2023 is projected based on recent change
Overall: 28.2 years
Female: 29.9 years
Male: 24.7 years
There are 8,714 adults, (1,013 of whom are seniors) in Oglala Lakota County.
Female: 7,024 (52.1%)
Male: 6,467 (47.9%)
The racial composition of Oglala Lakota County includes 91.45% Native American, 7.04% White, and smaller percentages for Two or more races, other race, Black or African American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| Native American | 12,337 | 91.45% |
| White | 950 | 7.04% |
| Two or more races | 129 | 0.96% |
| Other race | 66 | 0.49% |
| Black or African American | 9 | 0.07% |
Oglala Lakota County's average per capita income is $35,818. Household income levels show a median of $41,417. The poverty rate stands at 57.57%.
Name | Median | Mean |
|---|---|---|
| Married Families | $62,097 | - |
| Households | $41,417 | $54,084 |
| Families | $29,550 | $51,179 |
| Non Families | - | $44,142 |
Average Income
Median Household Income
Poverty Rate