Blythewood is located in Richland county South carolina with a geographic area of 10.6 square miles. The total population in Blythewood is 3,646 with 45.5% male and 54.5% female. Children under age 5 represent 6.1% of the population, under age 18 equal 24.5% of the population and over age 65 is 16.7% of the population. The median household income is $86,964, per capita income is $43,593. There are a total of 1,356 housing units with 75.4% owner occupied. Education includes 7.3% of residents that are high school graduates and 47.8% with a bachelor's degree or higher. The average temperature in Blythewood in the summer is 77 degrees, and in the winter 43 degrees.