Chatham County, Georgia

Chatham County profile, demographic data, and geographic information.

Local Government & Public Administration

Authoritative general-purpose local government units serving this area U.S. Census Bureau GUS (2026) / GMAF

Government Unit	Unit Type	Jurisdiction Role	Contact / Address
COUNTY OF CHATHAM GUS Population: 307,336 (2024) ID: 193152	County	Official County Government	Contact: FINANCE AND SYSTEMS DIRECTOR PO BOX 8246, 110 EAST STATE ST, SAVANNAH GA 31412-8246
CITY OF SAVANNAH GUS Population: 148,808 (2024) ID: 124438	Municipal	Municipal Government Within County	Contact: MAYOR PO BOX 1027, SAVANNAH GA 31402-1027
CITY OF POOLER GUS Population: 31,171 (2024) ID: 102170	Municipal	Municipal Government Within County	Contact: FINANCE OFFICER 100 US HIGHWAY 80 SW, POOLER GA 31322-2599
CITY OF PORT WENTWORTH GUS Population: 14,865 (2024) ID: 161827	Municipal	Municipal Government Within County	Contact: DEPUTY CLERK OF COUNCIL 305 S COASTAL HWY, PORT WENTWORTH GA 31407-2099
CITY OF GARDEN CITY GUS Population: 10,536 (2024) ID: 207707	Municipal	Municipal Government Within County	Contact: MAYOR 100 CENTRAL AVE, GARDEN CITY GA 31405
CITY OF TYBEE ISLAND GUS Population: 3,139 (2024) ID: 207708	Municipal	Municipal Government Within County	Contact: CITY MANAGER PO BOX 2749, TYBEE ISLAND GA 31328-2749
CITY OF BLOOMINGDALE GUS Population: 3,100 (2024) ID: 124439	Municipal	Municipal Government Within County	Contact: CITY ADMINISTRATOR PO BOX 216, BLOOMINGDALE GA 31302-0216
TOWN OF THUNDERBOLT GUS Population: 2,536 (2024) ID: 161826	Municipal	Municipal Government Within County	Contact: FINANCE CLERK 2821 RIVER DR, THUNDERBOLT GA 31404-3200
TOWN OF VERNONBURG GUS Population: 140 (2024) ID: 102172	Municipal	Municipal Government Within County	Contact: INTERDENT PO BOX 61512, SAVANNAH GA 31420-1512