Griffin is located in Spalding county Georgia with a geographic area of 14.0 square miles. The total population in Griffin is 22,724 with 46.4% male and 53.6% female. Children under age 5 represent 7.2% of the population, under age 18 equal 25.7% of the population and over age 65 is 13.5% of the population. The median household income is $37,178, per capita income is $22,848. There are a total of 9,343 housing units with 38.2% owner occupied. Education includes 34.4% of residents that are high school graduates and 21.7% with a bachelor's degree or higher. The average temperature in Griffin in the summer is 77 degrees, and in the winter 42 degrees.