Johns creek is located in Fulton county Georgia with a geographic area of 30.8 square miles. The total population in Johns creek is 84,551 with 49.1% male and 50.9% female. Children under age 5 represent 4.5% of the population, under age 18 equal 26.6% of the population and over age 65 is 10.5% of the population. The median household income is $125,862, per capita income is $53,582. There are a total of 28,748 housing units with 75.3% owner occupied. Education includes 6.7% of residents that are high school graduates and 73.1% with a bachelor's degree or higher. The average temperature in Johns creek in the summer is 76 degrees, and in the winter 42 degrees.