Dewey County's estimated 2026 population is 4,298 with a growth rate of 0.35% in the past year according to the most recent United States census data. Dewey County is the 71st largest county in Oklahoma. The 2010 population was 4,809 and has seen a growth of -10.63% since that time.
Data after 2023 is projected based on recent change
The racial composition of Dewey County includes 83.44% White, 4.65% Native American, and smaller percentages for other race, Black or African American, Asian and multiracial populations.
White (83.44%)
Two or more races (11.1%)
Native American (4.65%)
Other race (0.72%)
Black or African American (0.05%)
Asian (0.05%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 3,699 | 83.44% |
| Two or more races | 492 | 11.1% |
| Native American | 206 | 4.65% |
| Other race | 32 | 0.72% |
| Black or African American | 2 | 0.05% |
| Asian | 2 | 0.05% |
Married
Widowed
Divorced
Separated
Never Married
Dewey County's average per capita income is $42,587. Household income levels show a median of $60,550. The poverty rate stands at 14.42%.
Name | Median | Mean |
|---|---|---|
| Married Families | $80,089 | - |
| Families | $71,509 | $87,841 |
| Households | $60,550 | $76,946 |
| Non Families | $36,713 | $51,227 |
Average Income
Median Household Income
Poverty Rate
