Lake hamilton is located in Polk county Florida with a geographic area of 3.1 square miles. The total population in Lake hamilton is 1,525 with 44.7% male and 55.3% female. Children under age 5 represent 4.1% of the population, under age 18 equal 19.2% of the population and over age 65 is 24.5% of the population. The median household income is $40,658, per capita income is $20,286. There are a total of 444 housing units with 85.4% owner occupied. Education includes 42.8% of residents that are high school graduates and 11.3% with a bachelor's degree or higher. The average temperature in Lake hamilton in the summer is 80 degrees, and in the winter 56 degrees.