Montgomery County, Kentucky (Formed 1797) Land Area Year Population (sq.mi) Density 2010 26,499 197.4 134.3 2000 22,554 198.6 113.6 1990 19,561 198.6 98.5 1980 20,046 198.6 100.9 1970 15,364 198.6 77.4 1960 13,461 198.6 67.8 1950 13,025 198.6 65.6 1940 12,280 198.6 61.8 1930 11,660 198.6 58.7 1920 12,245 198.6 61.7 1910 12,868 198.0 65.0 1900 12,834 201.0 63.9 1890 12,367 201.0 61.5 1880 10,566 203.2 52.0 1870 7,557 203.2 37.2 1860 7,859 247.5 31.8 1850 9,903 456.8 21.7 1840 9,332 456.3 20.5 1830 10,240 456.3 22.4 1820 9,587 454.9 21.1 1810 12,975 1,061.7 12.2 1800 7,082 1,059.4 6.7