Ballston is located in SARATOGA COUNTY New york with a geographic area of square miles. The total population in Ballston is 11,203 with 43.6% male and 56.4% female. Children under age 5 represent 6.3% of the population, under age 18 equal 22.7% of the population and over age 65 is 17.1% of the population. The median household income is $95,204, per capita income is $44,024. There are a total of 4,316 housing units with 77.0% owner occupied. Education includes 22.0% of residents that are high school graduates and 47.6% with a bachelor's degree or higher. The average temperature in Ballston in the summer is 70 degrees, and in the winter 27 degrees.