Dutchess County, NY Population by Decades
| Date |
Population |
Population
Change |
Annual
% Change |
| 1900 | 81,670 | - | - |
| 1910 | 87,661 | 5,991 | 0.7 |
| 1920 | 91,747 | 4,086 | 0.5 |
| 1930 | 105,462 | 13,715 | 1.4 |
| 1940 | 120,542 | 15,080 | 1.3 |
| 1950 | 136,781 | 16,239 | 1.3 |
| 1960 | 176,008 | 39,227 | 2.6 |
| 1970 | 222,295 | 46,287 | 2.4 |
| 1980 | 245,055 | 22,760 | 1.0 |
| 1990 | 259,462 | 14,407 | 0.6 |
| 2000 | 280,150 | 20,688 | 0.8 |
Source: U.S. Bureau of Census
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