Ballston spa is located in Saratoga county New york with a geographic area of 1.6 square miles. The total population in Ballston spa is 5,675 with 44.4% male and 55.6% female. Children under age 5 represent 2.1% of the population, under age 18 equal 24.8% of the population and over age 65 is 14.3% of the population. The median household income is $64,858, per capita income is $33,343. There are a total of 2,291 housing units with 62.0% owner occupied. Education includes 30.0% of residents that are high school graduates and 38.8% with a bachelor's degree or higher. The average temperature in Ballston spa in the summer is 70 degrees, and in the winter 27 degrees.