Bohemia is located in Suffolk county New york with a geographic area of 8.6 square miles. The total population in Bohemia is 9,329 with 51.7% male and 48.3% female. Children under age 5 represent 6.2% of the population, under age 18 equal 22.9% of the population and over age 65 is 13.4% of the population. The median household income is $107,515, per capita income is $43,646. There are a total of 3,355 housing units with 79.0% owner occupied. Education includes 29.4% of residents that are high school graduates and 39.5% with a bachelor's degree or higher. The average temperature in Bohemia in the summer is 70 degrees, and in the winter 27 degrees.