Trumbull is located in Fairfield county Connecticut with a geographic area of square miles. The total population in Trumbull is 35,808 with 49.7% male and 50.3% female. Children under age 5 represent 5.5% of the population, under age 18 equal 25.6% of the population and over age 65 is 17.7% of the population. The median household income is $129,239, per capita income is $51,689. There are a total of 11,914 housing units with 86.7% owner occupied. Education includes 15.2% of residents that are high school graduates and 60.7% with a bachelor's degree or higher. The average temperature in Trumbull in the summer is 68 degrees, and in the winter 27 degrees.