How many people live in Hyde County, SD?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 1,200 people living in Hyde County, SD. That makes Hyde County the 65th-most populous county in South Dakota. It is home to 0.13% of people living in the state.
1.22K
population of Hyde County, SD (2024)
0.13%
County share of the South Dakota population (2024)
About 1,200 people lived in Hyde County, SD in 2024.
Population estimates, 2000–2024
What are Hyde County, SD’s age demographics?
About 301 Hyde County residents are aged 65 and older in 2024. That represents 24.8% of its population. For comparison, the age group represents 18.9% of South Dakota’s population and 18% in the US overall.
Another 287 Hyde County residents, or 23.6% 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 Hyde County, SD's population is aged 65 or older than the US as a whole.
Population estimates by age group, (2024)
What are Hyde County, SD’s racial and ethnic demographics?
Non-Hispanic white residents make up 82.9% of the Hyde County population, higher than the national share of 57.5%. Hyde County also has a larger share of people identifying as non-Hispanic American Indian and Alaska Native (11.1%) than the US overall (0.72%).
In contrast, Hyde County’s Hispanic population accounts for 1.6%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 0.66% 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.
Hyde 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 Hyde County, SD is Highmore with about 647 residents in 2024.
Cities and towns in Hyde County, SD ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Highmore | 647 |
| 2. | Central Hyde UT | 340 |
| 3. | North Hyde UT | 127 |
| 4. | Crow Creek UT | 82 |
| 5. | Valley | 12 |
| 6. | William Hamilton | 7 |
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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.
