| 2022 | 2022 | 2022 | 2022 | 2022 | 2022 | 2022 | 2022 | 2020 | 2020 | 2018 | 2018 | 2018 | 2018 | 2018 | 2016 | 2016 | 2016 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yes - Workers Rights | Duckworth | Pritzker | Raoul | Giannoulias | Mendoza | Frerichs | Congress | Biden | Durbin | Pritzker | Raoul | White | Mendoza | Frerichs | Clinton | Duckworth | Mendoza | |
| 1st CD | 70.89% | 69.47% | 67.70% | 68.18% | 68.16% | 69.91% | 67.02% | 67.03% | 70.41% | 61.03% | 71.12% | 71.06% | 80.08% | 74.16% | 72.11% | 71.82% | 71.83% | 66.14% |
| 2nd CD | 71.24% | 68.23% | 65.99% | 66.39% | 66.23% | 68.89% | 67.20% | 67.13% | 69.50% | 62.71% | 69.29% | 68.77% | 78.74% | 72.80% | 72.65% | 69.28% | 69.19% | 64.81% |
| 3rd CD | 68.84% | 69.58% | 68.44% | 67.89% | 68.22% | 70.10% | 67.03% | 68.50% | 69.68% | 67.20% | 67.32% | 67.39% | 78.06% | 72.29% | 69.02% | 68.96% | 65.26% | 60.45% |
| 4th CD | 70.90% | 70.12% | 68.65% | 68.09% | 69.06% | 71.83% | 68.00% | 68.42% | 72.27% | 69.43% | 70.52% | 69.40% | 81.31% | 76.03% | 72.46% | 72.45% | 68.73% | 65.58% |
| 5th CD | 62.84% | 69.92% | 69.54% | 68.05% | 68.58% | 69.86% | 67.37% | 69.57% | 69.00% | 65.25% | 61.69% | 62.97% | 75.35% | 68.63% | 65.37% | 65.60% | 58.71% | 51.12% |
| 6th CD | 56.95% | 55.26% | 53.27% | 53.11% | 53.86% | 56.22% | 52.53% | 54.36% | 54.52% | 52.52% | 49.72% | 50.30% | 67.54% | 57.30% | 52.96% | 50.70% | 49.97% | 42.20% |
| 7th CD | 79.01% | 86.03% | 85.17% | 84.44% | 84.46% | 85.20% | 83.47% | 99.94% | 85.68% | 74.76% | 82.69% | 82.82% | 89.08% | 85.48% | 83.95% | 85.87% | 81.39% | 75.63% |
| 8th CD | 56.42% | 56.31% | 55.06% | 54.79% | 55.01% | 56.51% | 53.49% | 56.89% | 56.80% | 55.26% | 50.93% | 53.23% | 66.47% | 57.65% | 54.11% | 54.60% | 52.40% | 45.30% |
| 9th CD | 66.14% | 71.38% | 71.46% | 70.19% | 70.23% | 71.50% | 69.45% | 71.69% | 69.82% | 67.13% | 65.69% | 66.69% | 77.88% | 71.21% | 68.72% | 68.18% | 62.73% | 56.15% |
| 10th CD | 55.99% | 61.53% | 61.38% | 60.29% | 60.33% | 61.41% | 58.61% | 63.00% | 62.00% | 57.50% | 52.03% | 54.65% | 68.96% | 59.11% | 55.78% | 57.68% | 50.53% | 45.63% |
| 11th CD | 54.46% | 55.63% | 54.76% | 54.27% | 54.07% | 55.51% | 52.54% | 56.45% | 56.55% | 53.36% | 48.21% | 50.39% | 65.06% | 54.32% | 51.21% | 51.65% | 48.44% | 42.15% |
| 12th CD | 43.17% | 30.29% | 25.11% | 25.57% | 25.76% | 30.29% | 26.57% | 25.00% | 27.81% | 31.01% | 33.43% | 30.24% | 47.07% | 35.92% | 33.86% | 26.06% | 39.29% | 31.78% |
| 13th CD | 61.88% | 55.52% | 53.23% | 52.11% | 52.10% | 56.49% | 54.14% | 56.61% | 54.36% | 54.39% | 53.65% | 51.64% | 65.49% | 58.40% | 58.23% | 50.55% | 54.82% | 50.24% |
| 14th CD | 58.24% | 54.02% | 51.69% | 52.18% | 52.14% | 54.62% | 50.52% | 54.16% | 54.72% | 52.90% | 51.14% | 52.05% | 65.63% | 56.45% | 52.89% | 50.67% | 51.40% | 46.71% |
| 15th CD | 44.08% | 32.37% | 28.67% | 28.46% | 28.69% | 34.12% | 31.77% | 28.86% | 29.69% | 32.32% | 29.87% | 28.46% | 50.33% | 37.41% | 38.09% | 27.79% | 34.78% | 31.19% |
| 16th CD | 45.73% | 38.92% | 36.60% | 34.80% | 32.82% | 38.04% | 35.65% | 33.67% | 38.21% | 38.13% | 34.86% | 34.63% | 51.56% | 40.27% | 38.70% | 34.38% | 34.48% | 31.44% |
| 17th CD | 59.02% | 52.01% | 49.52% | 47.57% | 46.08% | 51.09% | 48.97% | 51.98% | 52.62% | 52.48% | 50.11% | 50.14% | 64.07% | 55.34% | 53.69% | 49.43% | 49.78% | 47.44% |
| Statewide | 58.72% | 56.82% | 54.91% | 54.35% | 54.28% | 57.08% | 54.29% | 57.54% | 54.93% | 54.53% | 54.71% | 68.26% | 59.90% | 57.64% | 55.83% | 54.86% | 49.45% |