Harper County's estimated 2026 population is 3,148 with a growth rate of -0.76% in the past year according to the most recent United States census data. Harper County is the 75th largest county in Oklahoma. The 2010 population was 3,695 and has seen a growth of -14.8% since that time.
Data after 2023 is projected based on recent change
Overall: 40.9 years
Female: 38.8 years
Male: 42.1 years
There are 2,440 adults, (641 of whom are seniors) in Harper County.
Female: 1,649 (51.5%)
Male: 1,554 (48.5%)
The racial composition of Harper County includes 73.21% White, 18.89% other race, and smaller percentages for Native American, Black or African American, Asian and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 2,345 | 73.21% |
| Other race | 605 | 18.89% |
| Two or more races | 204 | 6.37% |
| Native American | 45 | 1.4% |
| Black or African American | 2 | 0.06% |
| Asian | 2 | 0.06% |
Harper County's average per capita income is $42,407. Household income levels show a median of $64,053. The poverty rate stands at 13.12%.
Name | Median | Mean |
|---|---|---|
| Married Families | $74,236 | - |
| Families | $73,198 | $82,782 |
| Households | $64,053 | $76,094 |
| Non Families | $28,125 | $57,014 |
Average Income
Median Household Income
Poverty Rate