Lincoln County, Kentucky (Formed 1780) Land Area Year Population (sq.mi) Density 2010 24,742 334.1 74.1 2000 23,361 336.3 69.5 1990 20,045 336.6 59.6 1980 19,053 336.6 56.6 1970 16,663 336.6 49.5 1960 16,503 336.6 49.0 1950 18,668 336.6 55.5 1940 19,859 336.6 59.0 1930 17,687 336.6 52.5 1920 16,481 336.6 49.0 1910 17,897 338.0 52.9 1900 17,059 326.0 52.3 1890 15,962 326.0 49.0 1880 15,080 336.9 44.8 1870 10,947 336.9 32.5 1860 10,647 336.4 31.6 1850 10,093 336.9 30.0 1840 10,187 383.8 26.5 1830 11,002 384.7 28.6 1820 9,979 384.7 25.9 1810 8,676 384.7 22.6 1800 8,621 1,097.1 7.9 1790 6,548 17,143.0 0.4