Clark County, Kentucky (Formed 1793) Land Area Year Population (sq.mi) Density 2010 35,613 252.5 141.1 2000 33,144 254.3 130.3 1990 29,496 254.3 116.0 1980 28,322 254.3 111.4 1970 24,090 254.3 94.7 1960 21,075 254.3 82.9 1950 18,898 254.3 74.3 1940 17,988 254.3 70.7 1930 17,640 254.3 69.4 1920 17,901 254.3 70.4 1910 17,987 265.0 67.9 1900 16,694 267.0 62.5 1890 15,434 267.0 57.8 1880 12,115 244.9 49.5 1870 10,882 244.9 44.4 1860 11,484 246.4 46.6 1850 12,683 271.6 46.7 1840 10,802 279.6 38.6 1830 13,051 279.6 46.7 1820 11,449 279.6 40.9 1810 11,519 286.3 40.2 1800 7,653 617.5 12.4