New Hampshire Census Data

Data for New Hampshire show that the five most populous cities or towns and their 2010 Census counts are Manchester, 109,565; Nashua, 86,494; Concord, 42,695; Derry, 33,109; and Dover, 29,987. Manchester grew by 2.4 percent since the 2000 Census. Nashua decreased by 0.1 percent, Concord grew by 4.9 percent, Derry decreased by 2.7 percent, and Dover grew by 11.5 percent.

The largest county is Hillsborough, with a population of 400,721. Its population grew by 5.2 percent since 2000. The other counties in the top five include Rockingham, with a population of 295,223 (increase of 6.4 percent); Merrimack, 146,445 (increase of 7.5 percent); Strafford, 123,143 (increase of 9.7 percent); and Grafton, 89,118 (increase of 9.0 percent).
Read More »