Henry County, Kentucky (Formed 1799)
                Land Area          
Year  Population  (sq.mi)   Density
2010     15,416     286.3     53.8
2000     15,060     289.3     52.1
1990     12,823     289.3     44.3
1980     12,740     289.3     44.0
1970     10,910     289.3     37.7
1960     10,987     289.3     38.0
1950     11,394     289.3     39.4
1940     12,220     289.3     42.2
1930     12,564     289.3     43.4
1920     13,411     289.3     46.4
1910     13,716     303.0     45.3
1900     14,620     303.0     48.3
1890     14,164     303.0     46.7
1880     14,492     282.9     51.2
1870     11,066     282.9     39.1
1860     11,949     277.6     43.0
1850     11,442     280.4     40.8
1840     10,015     277.6     36.1
1830     11,387     424.0     26.9
1820     10,816     517.7     20.9
1810      6,777     534.3     12.7
1800      3,258     536.1      6.1