Gallatin County, Kentucky (Formed 1799) Land Area Year Population (sq.mi) Density 2010 8,589 101.2 84.8 2000 7,870 98.8 79.6 1990 5,393 98.8 54.6 1980 4,842 98.8 49.0 1970 4,134 98.8 41.8 1960 3,867 98.8 39.1 1950 3,969 98.8 40.2 1940 4,307 98.8 43.6 1930 4,437 98.8 44.9 1920 4,664 98.8 47.2 1910 4,697 109.0 43.1 1900 5,163 106.0 48.7 1890 4,611 106.0 43.5 1880 4,832 103.5 46.7 1870 5,074 103.5 49.0 1860 5,056 102.5 49.3 1850 5,137 102.5 50.1 1840 4,003 102.5 39.1 1830 6,674 193.4 34.5 1820 7,075 162.8 43.5 1810 3,307 206.8 16.0 1800 1,291 208.9 6.2