Jackson County, Kentucky (Formed 1858) Land Area Year Population (sq.mi) Density 2010 13,494 345.2 39.1 2000 13,495 346.3 39.0 1990 11,955 346.3 34.5 1980 11,996 346.3 34.6 1970 10,005 346.3 28.9 1960 10,677 346.3 30.8 1950 13,101 346.3 37.8 1940 16,339 346.3 47.2 1930 10,467 346.3 30.2 1920 11,687 346.3 33.7 1910 10,734 333.0 32.2 1900 10,561 351.0 30.1 1890 8,261 351.0 23.5 1880 6,678 345.2 19.3 1870 4,547 345.6 13.2 1860 3,087 346.5 8.9