% Change in population by county between 2010 and 2019 [OC] from dataisbeautiful
Tag: Population
| 1860 | 4,749 | — | |
| 1870 | 4,759 | 0.2% | |
| 1880 | 35,629 | 648.7% | |
| 1890 | 106,713 | 199.5% | |
| 1900 | 133,859 | 25.4% | |
| 1910 | 213,381 | 59.4% | |
| 1920 | 256,491 | 20.2% | |
| 1930 | 287,861 | 12.2% | |
| 1940 | 322,412 | 12.0% | |
| 1950 | 415,765 | 29.0% | |
| 1960 | 493,887 | 18.8% | |
| 1970 | 514,678 | 4.2% | |
| 1980 | 492,686 | −4.3% | |
| 1990 | 467,610 | −5.1% | |
| 2000 | 554,636 | 18.6% | |
| 2010 | 600,158 | 8.2% | |
| Est. 2018 | 716,492 | [15] | 19.4% |