Hallett is located in Pawnee county Oklahoma with a geographic area of 0.9 square miles. The total population in Hallett is 81 with 54.3% male and 45.7% female. Children under age 5 represent 3.7% of the population, under age 18 equal 13.6% of the population and over age 65 is 28.4% of the population. The median household income is $26,875, per capita income is $23,398. There are a total of 37 housing units with 91.9% owner occupied. Education includes 48.6% of residents that are high school graduates and 5.4% with a bachelor's degree or higher. The average temperature in Hallett in the summer is 80 degrees, and in the winter 42 degrees.