How many people live in Harmon County, OK?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 2,300 people living in Harmon County, OK. That makes Harmon County the 76th-most populous county in Oklahoma. It is home to 0.06% of people living in the state.
2.32K
population of Harmon County, OK (2024)
0.06%
County share of the Oklahoma population (2024)
About 2,300 people lived in Harmon County, OK in 2024.
Population estimates, 2000–2024
What are Harmon County, OK’s age demographics?
About 492 Harmon County, OK residents are aged 65 and older in 2024. That represents 21.3% of its population. For comparison, the age group represents 17% of Oklahoma’s population and 18% in the US overall.
Another 586 Harmon County residents, or 25.3% of the population, were children under 18. For comparison, the age group represents 23.7% of Oklahoma’s population and 21.6% in the US overall.
A lower share of Harmon County, OK's population is aged 25–44 than the US as a whole.
Population estimates by age group, (2024)
What are Harmon County, OK’s racial and ethnic demographics?
Hispanic residents make up 33.8% of the Harmon County, OK population, higher than the national share of 20%. Harmon County, OK also has a larger share of people identifying as non-Hispanic two or more races (4.4%) than the US overall (2.5%).
In contrast, Harmon County’s non-Hispanic white population accounts for 50.9%, below the 57.5% 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.
Harmon County, OK has a higher share of a Hispanic population than Oklahoma as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Harmon County, OK is Hollis with about 1,700 residents in 2024.
Cities and towns in Harmon County, OK ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Hollis | 1,665 |
| 2. | Gould | 95 |
| 3. | Balance of Harmon County | 555 |
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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.
