Chatham County
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Chatham County is a county located in Georgia in the southeastern United States. It is notable as the location of Savannah, Georgia's oldest city and a major historical and cultural hub for the state.
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Chatham County (/ˈtʃætəm/ CHAT-əm) is the easternmost county in the U.S. state of Georgia, 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 2025 estimated population for Chatham County was 311,855 residents. The official 2020 U.S. census population was 295,291 residents, an increase of 11.4% from the official 2010 population of 265,128. Chatham County is the fifth-most-populous county in Georgia, and the state's most populous outside the Atlanta metropolitan area. The county is the core of the Savannah metropolitan area.