How many people live in Jackson County, SD?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 2,700 people living in Jackson County, SD. That makes Jackson County the 51st-most populous county in South Dakota. It is home to 0.29% of people living in the state.
2.74K
population of Jackson County, SD (2024)
0.29%
County share of the South Dakota population (2024)
About 2,700 people lived in Jackson County, SD in 2024.
Population estimates, 2000–2024
What are Jackson County, SD’s age demographics?
About 376 Jackson County, SD residents are aged 65 and older in 2024. That represents 13.7% of its population. For comparison, the age group represents 18.9% of South Dakota’s population and 18% in the US overall.
Another 981 Jackson County residents, or 35.8% of the population, were children under 18. For comparison, the age group represents 24% of South Dakota’s population and 21.6% in the US overall.
A higher share of Jackson County, SD's population is aged under 18 than the US as a whole.
Population estimates by age group, (2024)
What are Jackson County, SD’s racial and ethnic demographics?
Non-Hispanic American Indian and Alaska Native residents make up 51.8% of the Jackson County, SD population, higher than the national share of 0.72%. Jackson County, SD also has a larger share of people identifying as non-Hispanic two or more races (6.5%) than the US overall (2.5%).
In contrast, Jackson County’s non-Hispanic white population accounts for 36.9%, below the 57.5% nationwide, and the Hispanic population makes up 3.1% of the county, compared with 20% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
Jackson County, SD has a higher share of a non-Hispanic American Indian and Alaska Native population than South Dakota as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Jackson County, SD is Southwest Jackson UT with about 1,500 residents in 2024.
Cities and towns in Jackson County, SD ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Southwest Jackson UT | 1,529 |
| 2. | Kadoka | 530 |
| 3. | Southeast Jackson UT | 223 |
| 4. | Northeast Jackson UT | 202 |
| 5. | Interior | 65 |
| 6. | Northwest Jackson UT | 59 |
| 7. | Interior | 43 |
| 8. | Belvidere | 43 |
| 9. | Weta | 17 |
| 10. | Wall | 11 |
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Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.
