year rank population 1880 50 35629 1890 26 106713 1900 25 133859 1910 27 213381 1920 25 256491 1930 29 287861 1940 24 322412 1950 24 415786 1960 23 493887 1970 25 514678 1980 24 492365 1990 26 467610