Richmond is located in Washington county Rhode island with a geographic area of square miles. The total population in Richmond is 7,723 with 50.9% male and 49.1% female. Children under age 5 represent 3.9% of the population, under age 18 equal 20.7% of the population and over age 65 is 14.1% of the population. The median household income is $98,940, per capita income is $44,564. There are a total of 2,917 housing units with 94.4% owner occupied. Education includes 29.6% of residents that are high school graduates and 40.3% with a bachelor's degree or higher. The average temperature in Richmond in the summer is 69 degrees, and in the winter 33 degrees.