Mount kisco is located in Westchester county New york with a geographic area of 3.0 square miles. The total population in Mount kisco is 10,949 with 51.3% male and 48.7% female. Children under age 5 represent 9.4% of the population, under age 18 equal 24.1% of the population and over age 65 is 15.1% of the population. The median household income is $85,412, per capita income is $45,192. There are a total of 4,167 housing units with 64.1% owner occupied. Education includes 16.9% of residents that are high school graduates and 54.2% with a bachelor's degree or higher. The average temperature in Mount kisco in the summer is 70 degrees, and in the winter 27 degrees.