Harper County's estimated 2026 population is 3,213 with a growth rate of 0.06% 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 -13.04% since that time.
Data after 2023 is projected based on recent change
The racial composition of Harper County includes 76.48% White, 17.77% other race, and smaller percentages for Black or African American, Asian, Native American and multiracial populations.
White (76.48%)
Other race (17.77%)
Two or more races (5.6%)
Black or African American (0.06%)
Asian (0.06%)
Native American (0.03%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 2,471 | 76.48% |
| Other race | 574 | 17.77% |
| Two or more races | 181 | 5.6% |
| Black or African American | 2 | 0.06% |
| Asian | 2 | 0.06% |
| Native American | 1 | 0.03% |
Married
Widowed
Divorced
Separated
Never Married
Harper County's average per capita income is $39,639. Household income levels show a median of $59,191. The poverty rate stands at 15.94%.
Name | Median | Mean |
|---|---|---|
| Married Families | $78,098 | - |
| Families | $72,202 | $81,625 |
| Households | $59,191 | $69,291 |
| Non Families | $25,638 | $41,687 |
Average Income
Median Household Income
Poverty Rate
