Arnett is located in Ellis county Oklahoma with a geographic area of 0.5 square miles. The total population in Arnett is 623 with 45.7% male and 54.3% female. Children under age 5 represent 2.6% of the population, under age 18 equal 18.8% of the population and over age 65 is 24.9% of the population. The median household income is $35,962, per capita income is $22,637. There are a total of 266 housing units with 80.1% owner occupied. Education includes 39.1% of residents that are high school graduates and 21.8% with a bachelor's degree or higher. The average temperature in Arnett in the summer is 80 degrees, and in the winter 42 degrees.