Dewey County's estimated 2026 population is 4,143 with a growth rate of -1.52% 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 -13.85% since that time.
Data after 2023 is projected based on recent change
Overall: 38.5 years
Female: 41 years
Male: 36.7 years
There are 3,168 adults, (853 of whom are seniors) in Dewey County.
Female: 2,185 (50.1%)
Male: 2,175 (49.9%)
The racial composition of Dewey County includes 82.78% White, 3.69% Native American, and smaller percentages for other race, Asian, Black or African American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 3,609 | 82.78% |
| Two or more races | 544 | 12.48% |
| Native American | 161 | 3.69% |
| Other race | 39 | 0.89% |
| Asian | 4 | 0.09% |
| Black or African American | 3 | 0.07% |
Dewey County's average per capita income is $43,393. Household income levels show a median of $62,569. The poverty rate stands at 14.11%.
Name | Median | Mean |
|---|---|---|
| Married Families | $83,938 | - |
| Families | $73,932 | $92,921 |
| Households | $62,569 | $81,140 |
| Non Families | $37,813 | $53,889 |
Average Income
Median Household Income
Poverty Rate
