Hartsdale is located in Westchester county New york with a geographic area of 0.8 square miles. The total population in Hartsdale is 3,205 with 39.7% male and 60.3% female. Children under age 5 represent 5.7% of the population, under age 18 equal 18.1% of the population and over age 65 is 21.9% of the population. The median household income is $131,667, per capita income is $71,626. There are a total of 1,350 housing units with 84.7% owner occupied. Education includes 11.8% of residents that are high school graduates and 66.4% with a bachelor's degree or higher. The average temperature in Hartsdale in the summer is 70 degrees, and in the winter 27 degrees.