Kenton County, Kentucky (Formed 1840) Land Area Year Population (sq.mi) Density 2010 159,720 160.3 996.7 2000 151,464 162.0 935.1 1990 142,031 162.6 873.5 1980 137,058 162.6 842.9 1970 129,440 162.6 796.1 1960 120,700 162.6 742.3 1950 104,254 162.6 641.2 1940 93,139 162.6 572.8 1930 93,534 162.6 575.2 1920 73,453 162.6 451.7 1910 70,355 163.0 431.6 1900 63,591 177.0 359.3 1890 54,161 177.0 306.0 1880 43,983 167.4 262.7 1870 36,096 167.4 215.6 1860 25,467 165.7 153.7 1850 17,038 167.5 101.7