Grafton County, NH
Grafton County was established in 1769. The county was named in honor of Augustus FitzRoy, 3rd Duke of Grafton - the British Prime Minister while the area was still identified as one of the original five counties of New Hampshire. An estimated population of 89,786 makes Grafton County the fifth most populous county in the state. The county encompasses an area of 1,749.7 square miles.