1790 3929000
1800 5308000
1810 7240000
1820 9638000
1830 12866000
1840 17069000
1850 23192000
1860 31443000
1870 38558000
1880 50156000
1890 62948000
1900 75995000
1910 91972000
1920 105711000
1930 122755000
1940 131669000
1950 150697000
1960 179323000
1970 203212000
1980 226505000
1990 248710000
2000 281416000