New Rochelle is a city in Westchester County, New York, United States, in the southeastern portion of the state. In 2020, the city had a population of 79,726, making it the 7th-largest city and 22nd-largest municipality in the state of New York. Some residents refer to the city as New Ro. A well known destination within New Rochelle is “New Roc City,” which has restaurants and entertainment venues.