Harlan County, Kentucky (Formed 1819) Land Area Year Population (sq.mi) Density 2010 29,278 465.8 62.9 2000 33,202 467.2 71.1 1990 36,574 467.2 78.3 1980 41,889 467.2 89.7 1970 37,370 467.2 80.0 1960 51,107 467.2 109.4 1950 71,751 467.2 153.6 1940 75,275 467.2 161.1 1930 64,557 467.2 138.2 1920 31,546 467.2 67.5 1910 10,566 478.0 22.1 1900 9,838 470.0 20.9 1890 6,197 470.0 13.2 1880 5,278 474.5 11.1 1870 4,415 474.5 9.3 1860 5,494 691.1 7.9 1850 4,268 690.5 6.2 1840 3,015 800.9 3.8 1830 2,929 800.9 3.7 1820 1,961 800.8 2.4