|
Senatorial Candidate | Political Party | Popular Vote |
| Charles H. Percy | Republican |
2,100,449 |
54.95% |
| Paul H. Douglas | Democratic |
1,678,147 |
43.90% |
| Robert Sabonjian | write-in |
41,965 |
1.10% |
| Other (+) | - |
2,164 |
0.06% |
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Map Key
| Turnout
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| Demographic Data
1970 Population: | 11,110,285 | Enum. | 1970 Population Density: | 77.2 | persons/km2 | 1960 Population: | 10,081,158 | Enum. | 1960 Population Density: | 70.0 | persons/km2 | Land Area (2000): | 143,961 | km2 | Annual Pop Growth Rate: | 1.0 | % |
| Election Data and Statistics:
| Election Tools
- Atlas Forum Image Code for Maps: County
Data Sources:
- Source for Popular Vote data: Illinois Secretary of State, Comp, "Illinois U. S. Senate," Official Vote Cast at the General Election on November 8, 1966 (Springfield: Illinois Secretary of State, 1967)
- Source for Population data: U.S. Census Bureau.
| Results for and Individual County:
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