Larchmont is an affluent village located within the Town of Mamaroneck in Westchester County, New York. It's a suburb of New York City, located approximately 18 miles (29 km) northeast of Midtown Manhattan. The population of the village was 5,864 at the 2010 census. In February 2019, Bloomberg ranked Larchmont as the 15th wealthiest place in the United States and the third wealthiest in New York.