Sheffield is an urban place located in U.S. state of Alabama. It belongs in the Shoals metropolitan area within Colbert County. Sheffield described as one of the most historic cities in Alabama. The city of Sheffield is at 34°45′35″N 87°41′41″W just within Tennessee River. The Alabama oldest bridge also known as today's Old Railroad Bridge is lying in Sheffield. At the 2010 census, Sheffield total population was 9,039 residents with population density of 1,417.02/sq mi. Elevation is 515 feet. Sheffield is using Zip code 35660. The city estimated per capita income of 2015 was $21,864.