North smithfield is located in Providence county Rhode island with a geographic area of square miles. The total population in North smithfield is 12,478 with 48.0% male and 52.0% female. Children under age 5 represent 2.7% of the population, under age 18 equal 21.0% of the population and over age 65 is 20.9% of the population. The median household income is $81,195, per capita income is $40,492. There are a total of 4,941 housing units with 73.9% owner occupied. Education includes 27.1% of residents that are high school graduates and 31.3% with a bachelor's degree or higher. The average temperature in North smithfield in the summer is 69 degrees, and in the winter 33 degrees.