Marietta is located in Love county Oklahoma with a geographic area of 1.8 square miles. The total population in Marietta is 106 with 61.3% male and 38.7% female. Children under age 5 represent 17.9% of the population, under age 18 equal 32.1% of the population and over age 65 is 13.2% of the population. The median household income is $66,667, per capita income is $22,131. There are a total of 28 housing units with 82.1% owner occupied. Education includes 32.1% of residents that are high school graduates and 25.0% with a bachelor's degree or higher. The average temperature in Marietta in the summer is 80 degrees, and in the winter 42 degrees.