Cortland is located in Trumbull county Ohio with a geographic area of 4.3 square miles. The total population in Cortland is 6,818 with 49.2% male and 50.8% female. Children under age 5 represent 5.1% of the population, under age 18 equal 19.3% of the population and over age 65 is 25.6% of the population. The median household income is $61,250, per capita income is $35,976. There are a total of 3,133 housing units with 74.1% owner occupied. Education includes 32.2% of residents that are high school graduates and 41.7% with a bachelor's degree or higher. The average temperature in Cortland in the summer is 73 degrees, and in the winter 32 degrees.