Wolcott is located in New haven county Connecticut with a geographic area of square miles. The total population in Wolcott is 16,611 with 48.2% male and 51.8% female. Children under age 5 represent 5.0% of the population, under age 18 equal 19.8% of the population and over age 65 is 21.7% of the population. The median household income is $96,014, per capita income is $42,098. There are a total of 6,405 housing units with 85.2% owner occupied. Education includes 29.0% of residents that are high school graduates and 31.9% with a bachelor's degree or higher. The average temperature in Wolcott in the summer is 68 degrees, and in the winter 27 degrees.