Duck key is located in Monroe county Florida with a geographic area of 0.6 square miles. The total population in Duck key is 761 with 60.4% male and 39.6% female. Children under age 5 represent 5.8% of the population, under age 18 equal 5.8% of the population and over age 65 is 37.3% of the population. The median household income is $107,625, per capita income is $67,011. There are a total of 293 housing units with 76.1% owner occupied. Education includes 8.9% of residents that are high school graduates and 59.0% with a bachelor's degree or higher. The average temperature in Duck key in the summer is 80 degrees, and in the winter 56 degrees.
