As of the [[2020 United States Census|2020 census]], the city's population was 3,114. The entire island is a part of the [[Savannah metropolitan area|Savannah metropolitan statistical area]].
Officially renamed Savannah Beach in a publicity move atin the1929,<ref>The endlegal ofcitation theis 1950sGa. L. 1929, p.1380.</ref> the city of Tybee Island has since reverted to its original name. (The name Savannah Beach nevertheless appears on official state maps as far back as 1952 and as recently as the mid-1970s.<ref>{{cite web|url=http://www.cviog.uga.edu/Projects/gainfo/histcountymaps/chatham1952map.htm |title=GeorgiaInfo — Carl Vinson Institute of Government |publisher=Cviog.uga.edu |access-date=2010-05-08 |url-status=dead |archive-url=https://web.archive.org/web/20080828071026/http://www.cviog.uga.edu/Projects/gainfo/histcountymaps/chatham1952map.htm |archive-date=August 28, 2008 }}</ref>) The small island, which has long been a quiet beach getaway for Savannah residents, has become a popular vacation spot for tourists from outside the Savannah area. Tybee Island is home to the first of what eventually became the [[Days Inn]] chain of hotels, the oft-photographed [[Tybee Island Light Station]], and the [[Fort Screven]] Historic District.
The U.S. Air Force accidentally dropped an atomic bomb into the sea off Tybee Island during a [[1958 Tybee Island mid-air collision|botched 1958 military training exercise]]. Though the "Tybee Bomb" did not detonate (according to some reports, it was never armed with a fuse), there has been ongoing concern because the [[Mark 15 nuclear bomb]] lost during the mishap was never recovered.
