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- Socio-Demography
- Population
- US States Population
Washington - Population
| 1939 | 9 | 1,715,000 |
| 1938 | 9 | 1,698,000 |
| 1937 | 9 | 1,681,000 |
| 1936 | 9 | 1,653,000 |
| 1935 | 9 | 1,629,000 |
| 1934 | 9 | 1,610,000 |
| 1933 | 9 | 1,592,000 |
| 1932 | 9 | 1,584,000 |
| 1931 | 9 | 1,581,000 |
| 1930 | 8 | 1,568,000 |
| 1929 | 8 | 1,555,000 |
