Larchmont is located in Westchester county New york with a geographic area of 1.1 square miles. The total population in Larchmont is 6,159 with 49.7% male and 50.3% female. Children under age 5 represent 6.8% of the population, under age 18 equal 26.7% of the population and over age 65 is 12.8% of the population. The median household income is $194,859, per capita income is $110,486. There are a total of 2,207 housing units with 75.8% owner occupied. Education includes 4.7% of residents that are high school graduates and 86.0% with a bachelor's degree or higher. The average temperature in Larchmont in the summer is 70 degrees, and in the winter 27 degrees.