Whitley County, Kentucky (Formed 1818) Land Area Year Population (sq.mi) Density 2010 35,637 437.8 81.4 2000 35,865 440.2 81.5 1990 33,326 440.2 75.7 1980 33,396 440.2 75.9 1970 24,145 440.2 54.9 1960 25,815 440.2 58.6 1950 31,940 440.2 72.6 1940 33,186 440.2 75.4 1930 29,730 440.2 67.5 1920 27,749 440.2 63.0 1910 31,982 585.0 54.7 1900 25,015 578.0 43.3 1890 17,590 578.0 30.4 1880 12,000 575.1 20.9 1870 8,278 575.1 14.4 1860 7,762 587.9 13.2 1850 7,447 586.4 12.7 1840 4,673 587.9 7.9 1830 3,806 587.9 6.5 1820 2,340 620.9 3.8