New Rochelle, NY has a population of 79,027 people with a median age of 39.3 and a median household income of $70,036. Between 2014 and 2015 the population of New Rochelle, NY grew from 78,476 to 79,027, a 0.7% increase and its median household income grew from $68,270 to $70,036, a 2.59% increase. The population of New Rochelle, NY is 46.8% White, 28.3% Hispanic, and 17.6% Black.