Trigg County, Kentucky (Formed 1820) Land Area Year Population (sq.mi) Density 2010 14,339 441.4 32.5 2000 12,597 443.1 28.4 1990 10,361 443.4 23.4 1980 9,384 443.4 21.2 1970 8,620 443.4 19.4 1960 8,870 443.4 20.0 1950 9,683 443.4 21.8 1940 12,784 443.4 28.8 1930 12,531 443.4 28.3 1920 14,208 443.4 32.0 1910 14,539 428.0 34.0 1900 14,073 481.0 29.3 1890 13,902 481.0 28.9 1880 14,489 469.7 30.8 1870 13,686 469.7 29.1 1860 11,051 469.7 23.5 1850 10,129 470.8 21.5 1840 7,716 472.7 16.3 1830 5,916 472.7 12.5