Nashua is a city in southern New Hampshire, United States. As of the 2010 census, it had a population of 86,494, the second-largest in northern New England after nearby Manchester. As of 2019 the population had risen to an estimated 89,355. Along with Manchester, it is a seat of New Hampshire's most populous county, Hillsborough. Built around the now-departed textile industry, in recent decades Nashua has been swept up in southern New Hampshire's... Show more

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