North Carolina is the top sweet potato growing state in the US. In 2018, 55% of the acreage used for sweet potato cultivation in the United States is located in North Carolina.
US sweet potato production and per capita availability 2007-2015
(Courtesy: USDA - ERS)
(Click to enlarge) 
The counties in North Carolina where potato and sweet potato cultivation is concentrated
(Courtesy: North Carolina State University)
