Harmon County's 2026 population is estimated at 2,127, reflecting a -4.23% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Harmon County is the 76th largest county in Oklahoma. The 2010 population was 2,922 and has grown -27.21% since 2010.
Data after 2023 is projected based on recent change
Overall: 40.3 years
Female: 43.5 years
Male: 39 years
There are 1,819 adults, (516 of whom are seniors) in Harmon County.
Female: 1,217 (50.6%)
Male: 1,189 (49.4%)
The racial composition of Harmon County includes 67.12% White, 9.02% Black or African American, 8.94% other race, and smaller percentages for Native American, Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 1,615 | 67.12% |
| Two or more races | 289 | 12.01% |
| Black or African American | 217 | 9.02% |
| Other race | 215 | 8.94% |
| Native American | 45 | 1.87% |
| Asian | 25 | 1.04% |
Harmon County 's average per capita income is $36,290. Household income levels show a median of $43,333. The poverty rate stands at 22.72%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $76,389 | - |
| Families | $52,417 | $86,448 |
| Households | $43,333 | $69,662 |
| Non Families | $29,620 | $37,698 |
Average Income
Median Household Income
Poverty Rate
