year rank population 1850 22 34776 1860 15 56802 1870 10 149473 1880 9 233959 1890 8 298997 1900 9 342782 1910 11 416912 1920 12 506676 1930 11 634394 1940 12 634536 1950 11 775357 1960 12 740316 1970 13 715674 1980 13 678974 1990 14 723959