How many people live in Minnehaha County, SD?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 208,600 people living in Minnehaha County, SD. That makes Minnehaha County the most populous county in South Dakota. It is home to 22.3% of people living in the state.
209K
population of Minnehaha County, SD (2024)
22.3%
County share of the South Dakota population (2024)
About 208,600 people lived in Minnehaha County, SD in 2024.
Population estimates, 2000–2024
What are Minnehaha County, SD’s age demographics?
About 30,200 Minnehaha County, SD residents are aged 65 and older in 2024. That represents 14.5% of its population. For comparison, the age group represents 18.9% of South Dakota’s population and 18% in the US overall.
Another 52,100 Minnehaha County residents, or 25% 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 lower share of Minnehaha County, SD's population is aged 65 or older than the US as a whole.
Population estimates by age group, (2024)
What are Minnehaha County, SD’s racial and ethnic demographics?
Non-Hispanic white residents make up 78.9% of the Minnehaha County, SD population, higher than the national share of 57.5%. Minnehaha County also has a larger share of people identifying as non-Hispanic two or more races (2.7%) than the US overall (2.5%).
In contrast, Minnehaha County’s Hispanic population accounts for 7.2%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 6.7% of the county, compared with 12.6% 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.
Minnehaha County, SD has a higher share of a non-Hispanic Black or African American population than South Dakota as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Minnehaha County, SD is Sioux Falls with about 168,800 residents in 2024.
Cities and towns in Minnehaha County, SD ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Sioux Falls (pt.) | 168,750 |
| 2. | Brandon | 10,837 |
| 3. | Dell Rapids | 3,825 |
| 4. | Hartford | 3,600 |
| 5. | Split Rock | 3,074 |
| 6. | Mapleton | 2,058 |
| 7. | Crooks | 1,369 |
| 8. | Baltic | 1,331 |
| 9. | Wall Lake | 1,208 |
| 10. | Garretson | 1,169 |
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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.
