Chatham County, Georgia Chatham County, Georgia Chatham County is a county in the U.S. state of Georgia, and is located on the state's Atlantic coast. The county seat and largest city is Savannah. One of the original counties of Georgia, Chatham County was created February 5, 1777, and is named after William Pitt, 1st Earl of Chatham. The U.S. Census Bureau's 2017 population estimate for Chatham County was 290,501 residents, making Chatham the most populous Georgia county outside the Atlanta metropolitan area. The official 2010 Census counted 265,128 residents in Chatham County. Chatham is the core county of the Savannah metropolitan area. According
Earl of Northumberland Earl. The heiress to the vast Percy estates married the Duke of Somerset; and her granddaughter married a Yorkshire knight, Sir Hugh Smithson, who in 1766 was created the first Duke of Northumberland and Earl Percy, and it is their descendants who now represent the famous old house. The current duke lives at Alnwick Castle and Syon House, just outside London. <section end=1416/> Various references use at least three different sequences of numbers for the Earls; the ones shown here are those used in the individual articles on the 12 Earls. The major difference arises from the question of whether