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
John Pitt, 2nd Earl of Chatham He continued to hold various ceremonial positions: he had been appointed Lieutenant Governor of Jersey and High Steward of Colchester in 1807, and in 1820 succeeded the Duke of Kent as Governor of Gibraltar. He died at his house in Charles Street, London, on 24 September 1835, aged 78. Chatham married The Hon. Mary Elizabeth Townshend, daughter of the 1st Baron Sydney, on 10 July 1783. The couple had no children. Lady Chatham died on 21 May 1821. Chatham did not remarry and, following his death, the Earldom of Chatham became extinct. John Pitt, 2nd Earl of Chatham General John