Dewey County, Oklahoma Demographics 2026
Dewey County, Oklahoma has a population of 4,433, the 71st most populous county in Oklahoma. The median household income is $60,550 and the median home value is $118,200. The poverty rate is 14.4%.
Dewey County Quick Facts
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 57 | National average: 61
Education
Educational Attainment (Adults 25+)
Cities & Places in Dewey County
Explore Oklahoma Rankings
Population Overview
Dewey County is located in Oklahoma with a total population of 4,433. It is the 71st most populous county out of 77 in Oklahoma. The county encompasses 7 Census-designated places.
Age Demographics
The median age in Dewey County is 38.0 years. This is 3% higher than the state median of 36.9 years.
Economy, Income & Housing
The median household income in Dewey County is $60,550. This is 5% lower than the state median of $63,603. It is also 23% lower than the national median of $78,538. The poverty rate stands at 14.4%. This is 6% lower than the state poverty rate of 15.3%. The unemployment rate is 4.5%. This is 9% lower than the state rate of 4.9%. The median home value is $118,200. Housing costs are 36% lower than the state median of $185,900. With a home-value-to-income ratio of just 2.0x, Dewey County is one of the most affordable housing markets in the area. 74.7% of occupied housing units are owner-occupied. This homeownership rate is 13% higher than the state average of 65.8%.
Race & Ethnicity
The largest racial or ethnic group in Dewey County is White (non-Hispanic), making up 81.1% of the population. Hispanic or Latino residents account for 6.0%. The Black or African American population (0.0%) is well below the state average of 6.9%. The Hispanic or Latino population (6.0%) is well below the state average of 12.3%. The Asian population (0.1%) is well below the state average of 2.3%.
Education
19.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 29% lower than the state rate of 27.8%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 92.6%.
Data Sources & Methodology
All figures for Dewey County come from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023), with comparisons drawn against Oklahoma and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.
Frequently Asked Questions
What is the population of Dewey County, Oklahoma?
Dewey County has a population of 4,433, making it the 71st most populous county in Oklahoma.
What is the median income in Dewey County?
The median household income in Dewey County is $60,550 with a poverty rate of 14.4%.
How many cities are in Dewey County, Oklahoma?
Dewey County contains 7 Census-designated places.