Alexandria is located in Campbell county Kentucky with a geographic area of 6.9 square miles. The total population in Alexandria is 9,600 with 49.0% male and 51.0% female. Children under age 5 represent 7.5% of the population, under age 18 equal 25.9% of the population and over age 65 is 14.1% of the population. The median household income is $83,923, per capita income is $31,819. There are a total of 3,195 housing units with 86.9% owner occupied. Education includes 32.5% of residents that are high school graduates and 31.8% with a bachelor's degree or higher. The average temperature in Alexandria in the summer is 73 degrees, and in the winter 36 degrees.