| 2000 Census Data | Black | Asian | Hispanic | ||||||||
| District | Name | Total Pop | Target Pop | Raw Dev. | % Dev. | Black Pop. | % Black | Asian Pop. | % Asian | Hispanic Pop. | Hisp % |
| 12,419,293 | 1,937,671 | 15.6% | 473,649 | 3.8% | 1,530,262 | 12.3% | |||||
| CD 1 | Rush | 560,239 | 653,647 | -93,408 | -14.29% | 398,102 | 71.1% | 9,148 | 1.6% | 41,866 | 7.5% |
| CD 2 | Jackson | 556,482 | 653,647 | -97,165 | -14.87% | 426,519 | 76.6% | 3,473 | 0.6% | 43,429 | 7.8% |
| CD 3 | Lipinski | 629,597 | 653,647 | -24,050 | -3.68% | 29,889 | 4.7% | 12,789 | 2.0% | 153,021 | 24.3% |
| CD 4 | Gutierrez | 625,941 | 653,647 | -27,706 | -4.24% | 54,536 | 8.7% | 18,463 | 2.9% | 438,481 | 70.1% |
| CD 5 | Blagojevich | 635,824 | 653,647 | -17,823 | -2.73% | 14,932 | 2.3% | 43,602 | 6.9% | 159,220 | 25.0% |
| CD 6 | Hyde | 615,419 | 653,647 | -38,228 | -5.85% | 16,732 | 2.7% | 51,591 | 8.4% | 66,836 | 10.9% |
| CD 7 | Davis | 569,470 | 653,647 | -84,177 | -12.88% | 364,658 | 64.0% | 29,312 | 5.1% | 29,724 | 5.2% |
| CD 8 | Crane | 699,513 | 653,647 | 45,866 | 7.02% | 20,999 | 3.0% | 55,846 | 8.0% | 78,895 | 11.3% |
| CD 9 | Schakowsky | 593,205 | 653,647 | -60,442 | -9.25% | 78,164 | 13.2% | 78,594 | 13.2% | 72,793 | 12.3% |
| CD 10 | Kirk | 627,793 | 653,647 | -25,854 | -3.96% | 44,741 | 7.1% | 39,518 | 6.3% | 87,548 | 13.9% |
| CD 11 | Weller | 635,653 | 653,647 | -17,994 | -2.75% | 87,282 | 13.7% | 5,981 | 0.9% | 66,771 | 10.5% |
| CD 12 | Costello | 560,912 | 653,647 | -92,735 | -14.19% | 106,259 | 18.9% | 6,525 | 1.2% | 11,089 | 2.0% |
| CD 13 | Biggert | 759,124 | 653,647 | 105,477 | 16.14% | 36,902 | 4.9% | 51,180 | 6.7% | 41,223 | 5.4% |
| CD 14 | Hastert | 720,663 | 653,647 | 67,016 | 10.25% | 35,427 | 4.9% | 20,349 | 2.8% | 126,383 | 17.5% |
| CD 15 | Johnson | 595,833 | 653,647 | -57,814 | -8.84% | 55,971 | 9.4% | 17,582 | 3.0% | 17,743 | 3.0% |
| CD 16 | Manzullo | 691,356 | 653,647 | 37,709 | 5.77% | 38,340 | 5.5% | 11,297 | 1.6% | 47,987 | 6.9% |
| CD 17 | Evans | 567,712 | 653,647 | -85,935 | -13.15% | 23,671 | 4.2% | 4,633 | 0.8% | 26,098 | 4.6% |
| CD 18 | LaHood | 597,447 | 653,647 | -56,200 | -8.60% | 40,713 | 6.8% | 6,598 | 1.1% | 9,079 | 1.5% |
| CD 19 | Phelps | 575,769 | 653,647 | -77,878 | -11.91% | 28,474 | 4.9% | 2,989 | 0.5% | 5,537 | 1.0% |
| CD 20 | Shimkus | 601,341 | 653,647 | -52,306 | -8.00% | 35,360 | 5.9% | 4,179 | 0.7% | 6,539 | 1.1% |