Dubuque, IA Population by Decades
| Date |
Population |
Population
Change |
Annual
% Change |
| 1900 | 56,403 | - | - |
| 1910 | 57,450 | 1,047 | 0.2 |
| 1920 | 58,262 | 812 | 0.1 |
| 1930 | 61,214 | 2,952 | 0.5 |
| 1940 | 63,768 | 2,554 | 0.4 |
| 1950 | 71,337 | 7,569 | 1.1 |
| 1960 | 80,048 | 8,711 | 1.2 |
| 1970 | 90,609 | 10,561 | 1.2 |
| 1980 | 93,745 | 3,136 | 0.3 |
| 1990 | 86,403 | -7,342 | -0.8 |
| 2000 | 89,143 | 2,740 | 0.3 |
Source: U.S. Bureau of Census
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