Gaithersburg is located in Montgomery county Maryland with a geographic area of 10.3 square miles. The total population in Gaithersburg is 67,878 with 48.5% male and 51.5% female. Children under age 5 represent 6.9% of the population, under age 18 equal 22.0% of the population and over age 65 is 12.7% of the population. The median household income is $91,845, per capita income is $45,714. There are a total of 24,713 housing units with 50.6% owner occupied. Education includes 12.6% of residents that are high school graduates and 58.8% with a bachelor's degree or higher. The average temperature in Gaithersburg in the summer is 73 degrees, and in the winter 37 degrees.
