Lilburn is located in Gwinnett county Georgia with a geographic area of 6.8 square miles. The total population in Lilburn is 12,755 with 54.1% male and 45.9% female. Children under age 5 represent 7.1% of the population, under age 18 equal 33.9% of the population and over age 65 is 12.5% of the population. The median household income is $56,625, per capita income is $22,670. There are a total of 3,547 housing units with 60.6% owner occupied. Education includes 25.3% of residents that are high school graduates and 30.8% with a bachelor's degree or higher. The average temperature in Lilburn in the summer is 76 degrees, and in the winter 42 degrees.
