Buffalo-Niagara Falls, NY Population by Decades
| Date |
Population |
Population
Change |
Annual
% Change |
| 1900 | 508,647 | - | - |
| 1910 | 621,021 | 112,374 | 2.0 |
| 1920 | 753,393 | 132,372 | 2.0 |
| 1930 | 911,737 | 158,344 | 1.9 |
| 1940 | 958,487 | 46,750 | 0.5 |
| 1950 | 1,089,230 | 130,743 | 1.3 |
| 1960 | 1,306,957 | 217,727 | 1.8 |
| 1970 | 1,349,211 | 42,254 | 0.3 |
| 1980 | 1,242,826 | -106,385 | -0.8 |
| 1990 | 1,189,288 | -53,538 | -0.4 |
| 2000 | 1,170,111 | -19,177 | -0.2 |
Source: U.S. Bureau of Census
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