Greenup County, Kentucky (Formed 1804)
                Land Area          
Year  Population  (sq.mi)   Density
2010     36,910     344.4    107.2
2000     36,891     346.1    106.6
1990     36,742     346.2    106.1
1980     39,132     346.2    113.0
1970     33,192     346.2     95.9
1960     29,238     346.2     84.5
1950     24,887     346.2     71.9
1940     24,971     346.2     72.1
1930     24,554     346.2     70.9
1920     20,062     346.2     57.9
1910     18,475     346.0     53.4
1900     15,432     318.0     48.5
1890     11,911     318.0     37.5
1880     13,371     351.3     38.1
1870     11,463     351.3     32.6
1860      8,760     367.8     23.8
1850      9,654     471.3     20.5
1840      6,297     471.8     13.3
1830      5,852     894.8      6.5
1820      4,311   1,145.5      3.8
1810      2,369   1,143.4      2.1