Rochester is a city in Monroe County, New York, south of Lake Ontario in the United States. Known as The World's Image Centre, it was also once known as The Flour City, and more recently as The Flower City. It is the county seat for Monroe County. Rochester's city population according to the 2010 census is approximately 210,565, making it New York's third most populous city after New York City and Buffalo. It is at the center of a larger metropolitan area which encompasses and extends beyond Monroe County and includes Genesee County, Livingston County, Ontario County, Orleans County and Wayne County. This area, which is part of the Western New York region, had a population of 1,054,323 people at the time of the 2010 Census. As of July, 2011, the Census estimates indicated that this population rose to 1,055,278 .
Contributions by 18.104.22.168, Zooando, and Pollinator.