Census | Population |
1850 | 93,000 |
1860 | 380,000 |
1870 | 560,000 |
1880 | 865,000 |
1890 | 1,213,000 |
1900 | 1,485,000 |
1910 | 2,378,000 |
1920 | 3,427,000 |
1930 | 5,677,000 |
1940 | 6,950,000 |
1950 | 10,643,000 |
1960 | 15,863,000 |
1970 | 20,039,000 |
1980 | 23,780,000 |
1990 | 29,558,000 | 2000 | 48,977,000 |