Lawrence County, Kentucky (Formed 1822) Land Area Year Population (sq.mi) Density 2010 15,860 415.6 38.2 2000 15,569 418.8 37.2 1990 13,998 418.9 33.4 1980 14,121 418.9 33.7 1970 10,726 418.9 25.6 1960 12,134 418.9 29.0 1950 14,418 418.9 34.4 1940 17,275 418.9 41.2 1930 16,713 418.9 39.9 1920 17,643 418.9 42.1 1910 20,067 422.0 47.6 1900 19,612 433.0 45.3 1890 17,702 433.0 40.9 1880 13,262 426.4 31.1 1870 8,497 426.4 19.9 1860 7,601 531.4 14.3 1850 6,281 574.5 10.9 1840 4,730 888.4 5.3 1830 3,900 980.5 4.0