Oldham County, Kentucky (Formed 1824) Land Area Year Population (sq.mi) Density 2010 60,316 187.2 322.2 2000 46,178 189.2 244.1 1990 33,263 189.2 175.8 1980 27,795 189.2 146.9 1970 14,687 189.2 77.6 1960 13,388 189.2 70.8 1950 11,018 189.2 58.2 1940 10,716 189.2 56.6 1930 7,402 189.2 39.1 1920 7,689 189.2 40.6 1910 7,248 180.0 40.3 1900 7,078 181.0 39.1 1890 6,754 181.0 37.3 1880 7,667 200.7 38.2 1870 9,027 200.7 45.0 1860 7,283 200.2 36.4 1850 7,629 200.6 38.0 1840 7,380 200.2 36.9 1830 9,588 226.4 42.3