Cedar key is located in Levy county Florida with a geographic area of 1.0 square miles. The total population in Cedar key is 840 with 52.5% male and 47.5% female. Children under age 5 represent 5.2% of the population, under age 18 equal 11.5% of the population and over age 65 is 34.2% of the population. The median household income is $65,455, per capita income is $35,749. There are a total of 316 housing units with 75.6% owner occupied. Education includes 19.0% of residents that are high school graduates and 49.4% with a bachelor's degree or higher. The average temperature in Cedar key in the summer is 81 degrees, and in the winter 56 degrees.