Cheyenne, WY Population by Decades
| Date |
Population |
Population
Change |
Annual
% Change |
| 1900 | 20,181 | - | - |
| 1910 | 26,127 | 5,946 | 2.6 |
| 1920 | 20,699 | -5,428 | -2.3 |
| 1930 | 26,845 | 6,146 | 2.6 |
| 1940 | 33,651 | 6,806 | 2.3 |
| 1950 | 47,662 | 14,011 | 3.5 |
| 1960 | 60,149 | 12,487 | 2.4 |
| 1970 | 56,360 | -3,789 | -0.6 |
| 1980 | 68,649 | 12,289 | 2.0 |
| 1990 | 73,142 | 4,493 | 0.6 |
| 2000 | 81,607 | 8,465 | 1.1 |
Source: U.S. Bureau of Census
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