Fulton county is in the Jackson Purchase region of Kentucky. The elevation in the county ranges from 260, the lowest in the state, to 500 feet above sea level.
In 2010 the county population was 6,813 in a land area of 205.50 square miles, an average of 33.2 people per square mile.
The equine population was 100 in the 2012 Kentucky Equine Survey.
Fulton county was named to honor Robert Fulton.
Part of the Reelfoot National Wildlife Refuge is in Fulton county.