In the last decade the population in Campbell County has increased slightly, according to the 2010 findings by the U.S. Census Bureau.
In 2000 the total population in Campbell County was 39,854 this number rose to 40,716 in 2010. This is an increase of 862 people countywide. While the population increased in some areas of the county, decreases in other parts counteracted the overall growth.
In Caryville and Jacksboro the populations increased, but the census in LaFollette and Jellico showed a decrease in residents.