Dewey is located in Washington county Oklahoma with a geographic area of 2.8 square miles. The total population in Dewey is 3,448 with 45.2% male and 54.8% female. Children under age 5 represent 3.1% of the population, under age 18 equal 22.4% of the population and over age 65 is 19.8% of the population. The median household income is $45,847, per capita income is $20,239. There are a total of 1,295 housing units with 71.0% owner occupied. Education includes 39.9% of residents that are high school graduates and 16.1% with a bachelor's degree or higher. The average temperature in Dewey in the summer is 80 degrees, and in the winter 42 degrees.
