Illinois - Population
| Date | Density | Population |
|---|---|---|
| 1946 | 54 | 8,164,000 |
| 1945 | 51 | 7,612,000 |
| 1944 | 51 | 7,718,000 |
| 1943 | 52 | 7,765,000 |
| 1942 | 54 | 8,054,000 |
| 1941 | 53 | 7,995,000 |
| 1940 | 53 | 7,905,000 |
| 1939 | 53 | 7,890,000 |
| 1938 | 52 | 7,866,000 |
| 1937 | 52 | 7,857,000 |
| 1936 | 52 | 7,840,000 |
| 1935 | 52 | 7,797,000 |
| 1934 | 52 | 7,772,000 |
| 1933 | 52 | 7,768,000 |
| 1932 | 52 | 7,736,000 |
| 1931 | 51 | 7,687,000 |
| 1930 | 51 | 7,644,000 |
| 1929 | 51 | 7,606,000 |