year rank population 1810 46 2540 1820 14 9642 1830 8 24831 1840 6 46338 1850 6 115435 1860 7 161044 1870 8 216239 1880 8 255139 1890 9 296908 1900 10 325902 1910 13 363591 1920 16 401247 1930 17 451160 1940 17 455610 1950 18 503998 1960 21 502550 1970 29 452524 1980 32 385457 1990 45 364040