South Dakota - Population
| 1946 | 3 | 588,000 |
| 1945 | 3 | 573,000 |
| 1944 | 3 | 562,000 |
| 1943 | 3 | 587,000 |
| 1942 | 3 | 597,000 |
| 1941 | 3 | 613,000 |
| 1940 | 3 | 641,000 |
| 1939 | 3 | 645,000 |
| 1938 | 3 | 649,000 |
| 1937 | 3 | 656,000 |
| 1936 | 3 | 666,000 |
| 1935 | 3 | 674,000 |
| 1934 | 3 | 682,000 |
| 1933 | 3 | 690,000 |
| 1932 | 3 | 692,000 |
| 1931 | 3 | 694,000 |
| 1930 | 3 | 693,000 |
| 1929 | 3 | 690,000 |
