Dewey County
Dewey County has lower-than-average household income, with a median household income of $62,569. Population has declined 8% since 2000. 22% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value has roughly tripled since 2000, reaching $133,600.
Population & growth
PEP 2025 EST:4,207 residents (Census Bureau Vintage 2025, released March 2026)
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+ 13 more ancestry groups with data
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How many people live in Dewey County, Oklahoma?
Dewey County, Oklahoma has about 4,360 residents according to the 2024 American Community Survey.
What is the median household income in Dewey County, Oklahoma?
The typical household in Dewey County, Oklahoma earns about $62,569 a year. Half of households make more than that, and half make less.
Is Dewey County, Oklahoma expensive?
In Dewey County, Oklahoma, the median home is worth about $133,600, and the typical rent is about $912 a month.
How educated are people in Dewey County, Oklahoma?
About 22.4% of adults age 25 and over in Dewey County, Oklahoma hold a bachelor's degree or higher.
What is the poverty rate in Dewey County, Oklahoma?
About 14.1% of people in Dewey County, Oklahoma live below the federal poverty line.
Has Dewey County, Oklahoma grown since 1990?
Yes, Dewey County, Oklahoma has shrunk since 1990. The population has lost about 1,191 residents, a change of about -21 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024