Manchester is a city in southern New Hampshire, United States. It is the most populous city in northern New England. As of the 2010 census, the city had a population of 109,565, and, in 2019, the population was estimated to be 112,673.Manchester is, along with Nashua, one of two seats of New Hampshire's most populous county, Hillsborough County. Manchester lies near the northern end of the Northeast megalopolis and straddles the banks of the Merrimack... Show more

source