ECONOMY. 1  The unemployment rate in Savannah Metro Area is 5.40 percent(U.S. avg. is 5.20%). 2  Compared to the rest of the country, Savannah Metro Area's cost of living is 5.60% Lower than the U.S. average. 3  As of 2014, Savannah Metro Area's population is 379,199 people. 4  Average Commute time is 23 minutes.