Sullivan County, New Hampshire

county in New Hampshire, United States

Sullivan County is a county in the U.S. state of New Hampshire. As of the 2010 census, the population was 43,742,[1] making it the second-least populous county in New Hampshire. The county seat is Newport.[2]

Map of New Hampshire highlighting Sullivan County

Sullivan County was founded in 1827 named for John Sullivan (1740–1795), the Revolutionary War hero and a former governor. It was formed from the northern part of Cheshire County.


  1. "State & County QuickFacts". United States Census Bureau. Retrieved September 24, 2013.
  2. "Find a County". National Association of Counties. Retrieved 2011-06-07.