Carroll County, Kentucky (Formed 1838) Land Area Year Population (sq.mi) Density 2010 10,811 128.6 84.1 2000 10,155 130.1 78.1 1990 9,292 130.1 71.4 1980 9,270 130.1 71.3 1970 8,523 130.1 65.5 1960 7,978 130.1 61.3 1950 8,517 130.1 65.5 1940 8,657 130.1 66.5 1930 8,155 130.1 62.7 1920 8,346 130.1 64.2 1910 8,110 132.0 61.4 1900 9,825 178.0 55.2 1890 9,266 178.0 52.1 1880 8,953 131.5 68.1 1870 6,189 131.5 47.1 1860 6,578 131.3 50.1 1850 5,526 131.6 42.0 1840 3,966 131.3 30.2