2004 Illinois elections
The Illinois general election was held in the U.S. state of Illinois on November 2, 2004.
Primaries were held March 16, 2004.
Election information
Turnout
Primary election
For the primary election, turnout was 28.97%, with 2,067,824 votes cast.Turnout by county
| County | Registration | Votes cast | Turnout |
| Adams | 41,008 | 16,705 | 40.74% |
| Alexander | 7,069 | 2,121 | 30% |
| Bond | 10,738 | 2,237 | 20.83% |
| Boone | 27,587 | 10,301 | 37.34% |
| Brown | 3,536 | 676 | 19.12% |
| Bureau | 24,315 | 6,540 | 26.9% |
| Calhoun | 3,720 | 863 | 23.2% |
| Carroll | 12,248 | 2,714 | 22.16% |
| Cass | 9,069 | 2,691 | 29.67% |
| Champaign | 105,399 | 26,192 | 24.85% |
| Christian | 22,608 | 6,600 | 29.19% |
| Clark | 11,911 | 2,131 | 17.89% |
| Clay | 9,913 | 2,834 | 28.59% |
| Clinton | 26,184 | 2,756 | 10.53% |
| Coles | 39,029 | 5,327 | 13.65% |
| Cook | 2,630,541 | 921,086 | 35.02% |
| Crawford | 13,975 | 2,193 | 15.69% |
| Cumberland | 8,354 | 1,945 | 23.28% |
| DeKalb | 47,828 | 15,139 | 31.65% |
| DeWitt | 12,490 | 5,667 | 45.37% |
| Douglas | 12,084 | 3,202 | 26.5% |
| DuPage | 597,153 | 154,173 | 25.82% |
| Edgar | 12,742 | 2,609 | 20.48% |
| Edwards | 5,312 | 1,480 | 27.86% |
| Effingham | 21,256 | 6,345 | 29.85% |
| Fayette | 14,076 | 3,253 | 23.11% |
| Ford | 9,036 | 1,851 | 20.48% |
| Franklin | 31,964 | 9,105 | 28.49% |
| Fulton | 25,869 | 9,168 | 35.44% |
| Gallatin | 4,524 | 2,340 | 51.72% |
| Greene | 8,955 | 2,704 | 30.2% |
| Grundy | 26,747 | 7,797 | 29.15% |
| Hamilton | 6,474 | 2,631 | 40.64% |
| Hancock | 13,645 | 3,262 | 23.91% |
| Hardin | 3,839 | 1,468 | 38.24% |
| Henderson | 5,191 | 952 | 18.34% |
| Henry | 37,042 | 6,285 | 16.97% |
| Iroquois | 19,830 | 4,232 | 21.34% |
| Jackson | 39,023 | 9,602 | 24.61% |
| Jasper | 7,214 | 1,575 | 21.83% |
| Jefferson | 25,838 | 4,497 | 17.4% |
| Jersey | 14,807 | 2,616 | 17.67% |
| Jo Daviess | 16,058 | 6,514 | 40.57% |
| Johnson | 7,138 | 3,019 | 42.29% |
| Kane | 227,101 | 59,328 | 26.12% |
| Kankakee | 60,650 | 11,769 | 19.4% |
| Kendall | 43,552 | 10,605 | 24.35% |
| Knox | 37,487 | 8,676 | 23.14% |
| Lake | 348,513 | 97,800 | 28.06% |
| LaSalle | 71,390 | 15,279 | 21.4% |
| Lawrence | 11,195 | 1,743 | 15.57% |
| Lee | 21,527 | 5,164 | 23.99% |
| Livingston | 22,647 | 9,469 | 41.81% |
| Logan | 19,915 | 6,160 | 30.93% |
| Macon | 75,944 | 17,604 | 23.18% |
| Macoupin | 34,414 | 10,816 | 31.43% |
| Madison | 174,769 | 31,863 | 18.23% |
| Marion | 30,278 | 6,262 | 20.68% |
| Marshall | 8,915 | 2,063 | 23.14% |
| Mason | 11,017 | 3,166 | 28.74% |
| Massac | 11,741 | 2,976 | 25.35% |
| McDonough | 17,446 | 5,915 | 33.9% |
| McHenry | 172,648 | 52,868 | 30.62% |
| McLean | 84,996 | 26,640 | 31.34% |
| Menard | 9,107 | 3,783 | 41.54% |
| Mercer | 13,614 | 3,688 | 27.09% |
| Monroe | 21,249 | 2,671 | 12.57% |
| Montgomery | 18,263 | 5,007 | 27.42% |
| Morgan | 22,810 | 6,357 | 27.87% |
| Moultrie | 9,744 | 2,217 | 22.75% |
| Ogle | 34,350 | 9,456 | 27.53% |
| Peoria | 119,178 | 28,042 | 23.53% |
| Perry | 15,503 | 4,124 | 26.6% |
| Piatt | 11,345 | 2,889 | 25.46% |
| Pike | 12,150 | 2,624 | 21.6% |
| Pope | 3,741 | 1,288 | 34.43% |
| Pulaski | 6,268 | 1,452 | 23.17% |
| Putnam | 4,446 | 2,395 | 53.87% |
| Randolph | 24,944 | 5,914 | 23.71% |
| Richland | 12,626 | 3,106 | 24.6% |
| Rock Island | 99,194 | 20,505 | 20.67% |
| Saline | 17,786 | 7,054 | 39.66% |
| Sangamon | 126,966 | 27,873 | 21.95% |
| Schuyler | 5,366 | 1,028 | 19.16% |
| Scott | 3,912 | 1,178 | 30.11% |
| Shelby | 16,838 | 4,029 | 23.93% |
| Stark | 4,782 | 829 | 17.34% |
| St. Clair | 179,664 | 37,952 | 21.12% |
| Stephenson | 31,430 | 9,459 | 30.1% |
| Tazewell | 89,150 | 19,515 | 21.89% |
| Union | 15,828 | 5,743 | 36.28% |
| Vermilion | 49,300 | 8,467 | 17.17% |
| Wabash | 10,200 | 2,287 | 22.42% |
| Warren | 13,112 | 3,600 | 27.46% |
| Washington | 10,794 | 2,956 | 27.39% |
| Wayne | 12,657 | 3,033 | 23.96% |
| White | 11,710 | 2,585 | 22.08% |
| Whiteside | 37,866 | 5,902 | 15.59% |
| Will | 298,165 | 84,875 | 28.47% |
| Williamson | 41,882 | 7,346 | 17.54% |
| Winnebago | 179,548 | 45,632 | 25.41% |
| Woodford | 22,982 | 7,399 | 32.19% |
| 7,137,954 | 2,067,824 | 28.97% |
General election
For the general election, turnout was 71.34%, with 5,350,493 votes cast.Turnout by county
| County | Registration | Votes cast | Turnout% |
| Adams | 42,498 | 31,723 | 74.65% |
| Alexander | 7,399 | 4,252 | 57.47% |
| Bond | 11,334 | 7,805 | 68.86% |
| Boone | 29,480 | 19,572 | 66.39% |
| Brown | 3,691 | 2,614 | 70.82% |
| Bureau | 28,442 | 18,018 | 63.35% |
| Calhoun | 3,870 | 2,825 | 73% |
| Carroll | 12,817 | 8,189 | 63.89% |
| Cass | 9,279 | 5,891 | 63.49% |
| Champaign | 122,739 | 84,153 | 68.56% |
| Christian | 23,406 | 15,771 | 67.38% |
| Clark | 12,294 | 8,212 | 66.8% |
| Clay | 9,715 | 6,770 | 69.69% |
| Clinton | 26,841 | 17,263 | 64.32% |
| Coles | 39,561 | 22,911 | 57.91% |
| Cook | 2,794,260 | 2,088,727 | 74.75% |
| Crawford | 14,427 | 9,391 | 65.09% |
| Cumberland | 7,888 | 5,482 | 69.5% |
| DeKalb | 55,380 | 40,995 | 74.02% |
| DeWitt | 13,055 | 7,853 | 60.15% |
| Douglas | 12,747 | 8,597 | 67.44% |
| DuPage | 530,732 | 404,117 | 76.14% |
| Edgar | 12,730 | 8,772 | 68.91% |
| Edwards | 5,372 | 3,487 | 64.91% |
| Effingham | 22,043 | 16,812 | 76.27% |
| Fayette | 14,659 | 9,828 | 67.04% |
| Ford | 9,508 | 6,533 | 68.71% |
| Franklin | 30,215 | 19,535 | 64.65% |
| Fulton | 26,504 | 17,155 | 64.73% |
| Gallatin | 4,542 | 3,343 | 73.6% |
| Greene | 10,084 | 6,311 | 62.58% |
| Grundy | 28,571 | 19,926 | 69.74% |
| Hamilton | 6,583 | 4,630 | 70.33% |
| Hancock | 13,713 | 10,354 | 75.5% |
| Hardin | 3,958 | 2,664 | 67.31% |
| Henderson | 5,412 | 4,197 | 77.55% |
| Henry | 38,100 | 25,378 | 66.61% |
| Iroquois | 20,588 | 13,894 | 67.49% |
| Jackson | 43,381 | 26,524 | 61.14% |
| Jasper | 7,359 | 5,395 | 73.31% |
| Jefferson | 26,860 | 17,083 | 63.6% |
| Jersey | 15,208 | 10,394 | 68.35% |
| Jo Daviess | 16,472 | 11,867 | 72.04% |
| Johnson | 7,463 | 5,944 | 79.65% |
| Kane | 257,086 | 171,336 | 66.65% |
| Kankakee | 61,607 | 45,297 | 73.53% |
| Kendall | 48,962 | 33,345 | 68.1% |
| Knox | 36,847 | 24,945 | 67.7% |
| Lake | 382,835 | 276,609 | 72.25% |
| LaSalle | 74,592 | 51,168 | 68.6% |
| Lawrence | 11,300 | 6,796 | 60.14% |
| Lee | 22,296 | 16,326 | 73.22% |
| Livingston | 26,267 | 16,131 | 61.41% |
| Logan | 20,569 | 13,542 | 65.84% |
| Macon | 78,737 | 52,029 | 66.08% |
| Macoupin | 34,818 | 22,925 | 65.84% |
| Madison | 185,466 | 124,468 | 67.11% |
| Marion | 30,672 | 17,304 | 56.42% |
| Marshall | 9,395 | 6,641 | 70.69% |
| Mason | 11,321 | 7,345 | 64.88% |
| Massac | 12,045 | 7,506 | 62.32% |
| McDonough | 20,629 | 15,038 | 72.9% |
| McHenry | 186,394 | 128,454 | 68.92% |
| McLean | 96,530 | 71,960 | 74.55% |
| Menard | 9,433 | 6,622 | 70.2% |
| Mercer | 14,325 | 9,217 | 64.34% |
| Monroe | 21,992 | 16,708 | 75.97% |
| Montgomery | 18,066 | 13,387 | 74.1% |
| Morgan | 23,703 | 15,664 | 66.08% |
| Moultrie | 9,857 | 6,515 | 66.1% |
| Ogle | 36,472 | 24,207 | 66.37% |
| Peoria | 120,530 | 84,454 | 70.07% |
| Perry | 15,550 | 10,541 | 67.79% |
| Piatt | 12,097 | 8,793 | 72.69% |
| Pike | 12,477 | 8,334 | 66.79% |
| Pope | 3,823 | 2,464 | 64.45% |
| Pulaski | 6,311 | 3,108 | 49.25% |
| Putnam | 4,587 | 3,482 | 75.91% |
| Randolph | 25,571 | 15,686 | 61.34% |
| Richland | 13,047 | 8,000 | 61.32% |
| Rock Island | 104,030 | 70,308 | 67.58% |
| Saline | 16,824 | 11,988 | 71.26% |
| Sangamon | 126,669 | 97,327 | 76.84% |
| Schuyler | 5,499 | 4,075 | 74.1% |
| Scott | 4,011 | 2,653 | 66.14% |
| Shelby | 17,509 | 10,648 | 60.81% |
| Stark | 4,898 | 3,137 | 64.05% |
| St. Clair | 192,432 | 114,559 | 59.53% |
| Stephenson | 32,772 | 21,811 | 66.55% |
| Tazewell | 93,272 | 63,788 | 68.39% |
| Union | 16,206 | 9,199 | 56.76% |
| Vermilion | 49,217 | 33,863 | 68.8% |
| Wabash | 10,440 | 6,171 | 59.11% |
| Warren | 12,227 | 8,522 | 69.7% |
| Washington | 12,331 | 8,174 | 66.29% |
| Wayne | 13,002 | 8,355 | 64.26% |
| White | 11,580 | 8,367 | 72.25% |
| Whiteside | 39,965 | 27,694 | 69.3% |
| Will | 335,652 | 250,805 | 74.72% |
| Williamson | 44,417 | 30,162 | 67.91% |
| Winnebago | 194,530 | 122,459 | 62.95% |
| Woodford | 24,616 | 18,924 | 76.88% |
| 7,499,488 | 5,350,493 | 71.34% |
Federal elections
United States President
Illinois voted for the Democratic ticket of John Kerry and John Edwards.This was the fourth consecutive presidential election in which Illinois had voted for the Democratic ticket.
United States Senate
Incumbent first-term Republican Senator Peter Fitzgerald did not seek reelection. Democrat Barack Obama was elected to succeed him.United States House
All 19 of Illinois’ seats in the United States House of Representatives were up for election in 2004.The Democratic Party flipped one Republican-held seat, making the composition of Illinois' House delegation 10 Democrats and 9 Republicans.