The Circumferential Highway goes through the town in what New Hampshire county?
Litchfield, New Hampshire Litchfield is a town in Hillsborough County, New Hampshire, United States. The population was 8,271 at the 2010 census.
Brentwood, New Hampshire Brentwood is a town in Rockingham County, New Hampshire, United States. As of the 2010 census, the town had a total population of 4,486. Brentwood has been the county seat of Rockingham County since 1997. It is drained by the Piscassic, Little and Exeter rivers.