year rank population 1830 57 4977 1840 24 16469 1850 8 77860 1860 8 160773 1870 4 310864 1880 6 350518 1890 5 451770 1900 4 575238 1910 4 687029 1920 6 772897 1930 7 821960 1940 8 816048 1950 8 856796 1960 10 750026 1970 18 622236 1980 26 453085 1990 34 396685