调查年份 | 人口数量 | 变化幅度 |
1840 | 4,470 | |
1850 | 29,963 | 570.3% |
1860 | 112,172 | 274.4% |
1870 | 298,977 | 166.5% |
1880 | 503,185 | 68.3% |
1890 | 1,099,850 | 118.6% |
1900 | 1,698,575 | 54.4% |
1910 | 2,185,283 | 28.7% |
1920 | 2,701,705 | 23.6% |
1930 | 3,376,438 | 25.0% |
1940 | 3,396,808 | 0.6% |
1950 | 3,620,962 | 6.6% |
1960 | 3,550,404 | −1.9% |
1970 | 3,366,957 | −5.2% |
1980 | 3,005,072 | −10.7% |
1990 | 2,783,726 | −7.4% |
2000 | 2,896,016 | 4.0% |
2010 | 2,695,598 | −6.9% |