How many people live in Harper County, KS?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 5,400 people living in Harper County, KS. That makes Harper County the 63rd-most populous county in Kansas. It is home to 0.18% of people living in the state.
5.41K
population of Harper County, KS (2024)
0.18%
County share of the Kansas population (2024)
About 5,400 people lived in Harper County, KS in 2024.
Population estimates, 2000–2024
What are Harper County, KS’s age demographics?
About 1,200 Harper County residents are aged 65 and older in 2024. That represents 22.2% of its population. For comparison, the age group represents 17.9% of Kansas’s population and 18% in the US overall.
Another 1,400 Harper County residents, or 25.8% of the population, were children under 18. For comparison, the age group represents 23.5% of Kansas’s population and 21.6% in the US overall.
A lower share of Harper County, KS's population is aged 25–44 than the US as a whole.
Population estimates by age group, (2024)
What are Harper County, KS’s racial and ethnic demographics?
Non-Hispanic white residents make up 86.3% of the Harper County, KS population, higher than the national share of 57.5%. Harper County, KS also has a larger share of people identifying as non-Hispanic American Indian and Alaska Native (1.3%) than the US overall (0.72%).
In contrast, Harper County’s non-Hispanic Black or African American population accounts for 0.89%, below the 12.6% nationwide, and the Hispanic population makes up 8.6% 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.
Harper County, KS has a higher share of a non-Hispanic white population than Kansas as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Harper County, KS is Anthony with about 2,100 residents in 2024.
Cities and towns in Harper County, KS ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Anthony | 2,052 |
| 2. | Harper | 1,293 |
| 3. | Attica | 506 |
| 4. | Township 3 | 286 |
| 5. | Township 6 | 267 |
| 6. | Bluff City | 44 |
| 7. | Danville | 29 |
| 8. | Waldron | 9 |
| 9. | Balance of Township 5 | 381 |
| 10. | Balance of Township 1 | 326 |
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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.
