Gaffney is located in Cherokee county South carolina with a geographic area of 8.3 square miles. The total population in Gaffney is 12,733 with 48.5% male and 51.5% female. Children under age 5 represent 6.4% of the population, under age 18 equal 21.0% of the population and over age 65 is 16.1% of the population. The median household income is $31,355, per capita income is $18,716. There are a total of 4,515 housing units with 52.3% owner occupied. Education includes 38.2% of residents that are high school graduates and 17.0% with a bachelor's degree or higher. The average temperature in Gaffney in the summer is 77 degrees, and in the winter 43 degrees.