Foster is located in Providence county Rhode island with a geographic area of square miles. The total population in Foster is 4,722 with 44.1% male and 55.9% female. Children under age 5 represent 5.8% of the population, under age 18 equal 23.0% of the population and over age 65 is 15.0% of the population. The median household income is $96,985, per capita income is $34,952. There are a total of 1,504 housing units with 90.6% owner occupied. Education includes 22.5% of residents that are high school graduates and 43.5% with a bachelor's degree or higher. The average temperature in Foster in the summer is 69 degrees, and in the winter 33 degrees.
