| 2022 | 2022 | 2022 | 2022 | 2022 | 2022 | 2022 | 2022 | 2020 | 2020 | 2018 | 2018 | 2018 | 2018 | 2018 | 2016 | 2016 | 2016 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No - Workers Rights | Salvi | Bailey | DeVore | Brady | Terisi | Demmer | Congress | Trump | Curran | Rauner | Harold | Helland | Senger | Dodge | Trump | Kirk | Munger | |
| 1st CD | 29.11% | 29.19% | 30.00% | 30.12% | 29.91% | 28.43% | 30.64% | 32.96% | 28.20% | 25.30% | 24.44% | 26.95% | 17.95% | 22.91% | 24.64% | 24.04% | 23.54% | 28.28% |
| 2nd CD | 28.76% | 30.38% | 31.90% | 31.75% | 31.87% | 29.50% | 30.57% | 32.87% | 29.08% | 25.78% | 25.54% | 29.28% | 19.26% | 24.53% | 24.25% | 26.57% | 26.31% | 29.89% |
| 3rd CD | 31.16% | 28.78% | 29.04% | 29.93% | 29.62% | 27.99% | 30.64% | 31.50% | 28.34% | 25.66% | 27.79% | 29.92% | 19.02% | 24.50% | 27.10% | 24.69% | 28.53% | 31.90% |
| 4th CD | 29.10% | 28.05% | 28.60% | 29.19% | 28.58% | 26.18% | 29.32% | 28.07% | 25.87% | 21.85% | 25.16% | 27.86% | 15.67% | 20.96% | 23.48% | 21.71% | 24.87% | 27.29% |
| 5th CD | 37.16% | 28.59% | 27.97% | 30.11% | 29.51% | 28.36% | 30.82% | 28.82% | 29.16% | 29.15% | 34.43% | 34.70% | 21.93% | 28.37% | 31.37% | 27.27% | 36.36% | 42.47% |
| 6th CD | 43.05% | 43.14% | 43.69% | 44.93% | 44.28% | 41.99% | 45.47% | 45.64% | 43.63% | 40.96% | 44.66% | 47.14% | 29.83% | 39.75% | 43.52% | 42.41% | 44.17% | 51.32% |
| 7th CD | 20.99% | 12.57% | 12.73% | 13.69% | 13.49% | 12.87% | 14.24% | 0.06% | 12.74% | 12.16% | 14.21% | 15.26% | 8.61% | 11.49% | 12.93% | 9.72% | 14.63% | 18.27% |
| 8th CD | 43.58% | 42.11% | 42.08% | 43.24% | 43.06% | 41.70% | 44.45% | 43.11% | 41.34% | 39.85% | 43.08% | 44.11% | 30.83% | 39.25% | 42.31% | 38.92% | 41.63% | 48.03% |
| 9th CD | 33.86% | 27.27% | 26.28% | 28.05% | 27.91% | 26.77% | 28.72% | 28.31% | 28.52% | 27.79% | 30.66% | 31.20% | 19.74% | 26.03% | 28.26% | 25.82% | 32.45% | 37.39% |
| 10th CD | 44.01% | 37.01% | 35.54% | 37.76% | 37.73% | 36.89% | 39.38% | 37.00% | 36.10% | 38.44% | 43.09% | 42.97% | 28.73% | 38.01% | 41.08% | 34.92% | 44.66% | 48.99% |
| 11th CD | 45.54% | 42.63% | 42.00% | 43.65% | 43.83% | 42.60% | 45.22% | 43.55% | 41.34% | 41.63% | 45.68% | 47.04% | 32.47% | 42.61% | 45.22% | 41.11% | 45.18% | 51.50% |
| 12th CD | 56.83% | 68.00% | 72.47% | 72.00% | 72.03% | 67.87% | 71.17% | 75.00% | 70.40% | 66.38% | 56.95% | 66.58% | 50.76% | 60.98% | 63.05% | 68.44% | 55.90% | 62.49% |
| 13th CD | 38.12% | 42.44% | 43.91% | 45.29% | 45.41% | 41.45% | 43.50% | 43.38% | 43.30% | 41.80% | 37.75% | 45.61% | 31.64% | 38.15% | 38.20% | 42.38% | 39.83% | 43.62% |
| 14th CD | 41.76% | 44.27% | 44.98% | 45.59% | 45.71% | 43.54% | 47.13% | 45.84% | 43.29% | 41.37% | 41.92% | 45.08% | 31.76% | 40.25% | 43.20% | 42.15% | 41.94% | 46.91% |
| 15th CD | 55.92% | 65.53% | 68.62% | 68.90% | 69.09% | 63.97% | 66.05% | 71.14% | 68.25% | 64.73% | 55.52% | 68.56% | 47.14% | 59.15% | 58.47% | 65.90% | 59.75% | 63.25% |
| 16th CD | 54.27% | 59.17% | 60.45% | 62.62% | 64.76% | 59.76% | 61.92% | 66.33% | 59.52% | 58.18% | 55.24% | 62.54% | 45.85% | 56.30% | 57.55% | 57.94% | 59.01% | 62.84% |
| 17th CD | 40.98% | 45.97% | 47.47% | 49.57% | 51.17% | 46.57% | 48.28% | 48.01% | 45.01% | 43.57% | 41.03% | 47.00% | 33.28% | 41.34% | 42.54% | 43.03% | 44.06% | 46.63% |
| Statewide | 41.28% | 41.50% | 42.37% | 43.45% | 43.59% | 41.04% | 43.48% | 40.55% | 38.87% | 38.83% | 42.74% | 29.23% | 37.00% | 38.91% | 38.76% | 39.78% | 44.43% |