Jessamine County, Kentucky (Formed 1799) Land Area Year Population (sq.mi) Density 2010 48,586 172.1 282.3 2000 39,041 173.1 225.5 1990 30,508 173.2 176.1 1980 26,146 173.2 151.0 1970 17,430 173.2 100.6 1960 13,625 173.2 78.7 1950 12,458 173.2 71.9 1940 12,174 173.2 70.3 1930 12,431 173.2 71.8 1920 12,205 173.2 70.5 1910 12,613 172.0 73.3 1900 11,925 160.0 74.5 1890 11,248 160.0 70.3 1880 10,864 170.8 63.6 1870 8,638 170.8 50.6 1860 9,465 172.2 55.0 1850 10,249 170.8 60.0 1840 9,396 166.1 56.6 1830 9,960 166.1 60.0 1820 9,297 166.1 56.0 1810 8,377 166.1 50.4 1800 5,461 166.6 32.8