Jackson County's 2026 population is estimated at 2,667, reflecting a -1.3% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Jackson County is the 50th largest county in South Dakota. The 2010 population was 3,049 and has grown -12.53% since 2010.
Data after 2023 is projected based on recent change
Overall: 34.3 years
Female: 34.6 years
Male: 33.8 years
There are 1,879 adults, (348 of whom are seniors) in Jackson County.
Female: 1,431 (51.1%)
Male: 1,371 (48.9%)
The racial composition of Jackson County includes 61.24% Native American, 36.62% White, and smaller percentages for Two or more races and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| Native American | 1,716 | 61.24% |
| White | 1,026 | 36.62% |
| Two or more races | 60 | 2.14% |
Jackson County 's average per capita income is $42,500. Household income levels show a median of $35,417. The poverty rate stands at 42.36%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $66,250 | - |
| Families | $42,404 | $58,753 |
| Households | $35,417 | $52,743 |
| Non Families | $26,635 | $34,237 |
Average Income
Median Household Income
Poverty Rate