Dayton-Springfield, OH Population by Decades
| Date |
Population |
Population
Change |
Annual
% Change |
| 1900 | 263,803 | - | - |
| 1910 | 304,978 | 41,175 | 1.5 |
| 1920 | 369,909 | 64,931 | 1.9 |
| 1930 | 448,977 | 79,068 | 2.0 |
| 1940 | 479,622 | 30,645 | 0.7 |
| 1950 | 630,303 | 150,681 | 2.8 |
| 1960 | 826,063 | 195,760 | 2.7 |
| 1970 | 972,662 | 146,599 | 1.6 |
| 1980 | 942,083 | -30,579 | -0.3 |
| 1990 | 951,270 | 9,187 | 0.1 |
| 2000 | 950,558 | -712 | 0.0 |
Source: U.S. Bureau of Census
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