Mayfield heights is located in Cuyahoga county Ohio with a geographic area of 4.2 square miles. The total population in Mayfield heights is 18,586 with 46.7% male and 53.3% female. Children under age 5 represent 6.5% of the population, under age 18 equal 19.7% of the population and over age 65 is 22.7% of the population. The median household income is $55,901, per capita income is $34,989. There are a total of 9,201 housing units with 45.2% owner occupied. Education includes 23.6% of residents that are high school graduates and 41.6% with a bachelor's degree or higher. The average temperature in Mayfield heights in the summer is 73 degrees, and in the winter 32 degrees.