Dewey is a city located in Oklahoma. With a 2020 population of 3,390, it is the 94th largest city in Oklahoma and the 5860th largest city in the United States. Dewey is currently declining at a rate of -0.24% annually and its population has decreased by -1.22% since the most recent census, which recorded a population of 3,432 in 2010. Dewey reached it's highest population of 3,994 in 1960. Spanning over 3 miles, Dewey has a population density of 1,188 people per square mile.
The average household income in Dewey is $48,023 with a poverty rate of 17.49%. The median rental costs in recent years comes to $618 per month, and the median house value is $80,700. The median age in Dewey is 43.9 years, 42 years for males, and 46.8 years for females. For every 100 females there are 90.7 males.