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- Socio-Demography
- Population
- US States Population
Montana - Population
| 1946 | 1 | 514,000 |
| 1945 | 1 | 477,000 |
| 1944 | 1 | 471,000 |
| 1943 | 1 | 483,000 |
| 1942 | 1 | 521,000 |
| 1941 | 1 | 543,000 |
| 1940 | 1 | 558,000 |
| 1939 | 1 | 555,000 |
| 1938 | 1 | 552,000 |
| 1937 | 1 | 554,000 |
| 1936 | 1 | 554,000 |
| 1935 | 1 | 550,000 |
| 1934 | 1 | 545,000 |
| 1933 | 1 | 541,000 |
| 1932 | 1 | 540,000 |
| 1931 | 1 | 540,000 |
| 1930 | 1 | 539,000 |
| 1929 | 1 | 524,000 |
