Blanco is located in Pittsburg county Oklahoma with a geographic area of 0.7 square miles. The total population in Blanco is 68 with 50.0% male and 50.0% female. Children under age 5 represent 0.0% of the population, under age 18 equal 20.6% of the population and over age 65 is 22.1% of the population. The median household income is $15,000, per capita income is $15,626. There are a total of 36 housing units with 66.7% owner occupied. Education includes 50.0% of residents that are high school graduates and 2.8% with a bachelor's degree or higher. The average temperature in Blanco in the summer is 80 degrees, and in the winter 42 degrees.