Demographics
| Historical populations | |||
|---|---|---|---|
| Census | Pop. | %± | |
| 1810 | 1,508 |
|
|
| 1820 | 2,095 | 38.9% | |
| 1830 | 8,668 | 313.7% | |
| 1840 | 18,213 | 110.1% | |
| 1850 | 42,261 | 132.0% | |
| 1860 | 81,129 | 92.0% | |
| 1870 | 117,714 | 45.1% | |
| 1880 | 155,134 | 31.8% | |
| 1890 | 255,664 | 64.8% | |
| 1900 | 352,387 | 37.8% | |
| 1910 | 423,715 | 20.2% | |
| 1920 | 506,775 | 19.6% | |
| 1930 | 573,076 | 13.1% | |
| 1940 | 575,901 | 0.5% | |
| 1950 | 580,132 | 0.7% | |
| 1960 | 532,759 | −8.2% | |
| 1970 | 462,768 | −13.1% | |
| 1980 | 357,870 | −22.7% | |
| 1990 | 328,123 | −8.3% | |
| 2000 | 292,648 | −10.8% | |
| 2010 | 261,310 | −10.7% | |
| Est. 2011 | 261,025 | −0.1% | |
| Historical Population Figures | |||
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