2006 Illinois elections
The 2006 Illinois elections were held on November 7, 2006. On that date, registered voters in the State of Illinois elected officeholders for U.S. Congress, to six statewide offices, as well as to the Illinois Senate and Illinois House.
The incumbent Treasurer Judy Baar Topinka, previously the only Republican elected statewide, made an unsuccessful run for Governor rather than stand for re-election. Democrat Alexi Giannoulias was elected to succeed her, and the Democratic incumbents for the other statewide offices won re-election, making Illinois the only Midwestern state in which Democrats held all statewide offices.
For the first time since the 1930s, all executive offices and control of the Illinois General Assembly was won by the Democratic Party. The last time any party had met this feat had been the mid-1990s, when the Republican Party held such power following the 1994 Illinois elections.
Election information
2006 was a midterm election year in the United States.Turnout
Primary election
For the primary election, turnout was 24.84%, with 1,804,624 votes cast.;Turnout by county
| County | Registration | Votes cast | Turnout |
| Adams | 43,261 | 7,721 | 17.85% |
| Alexander | 7,670 | 2,330 | 30.38% |
| Bond | 10,486 | 1,877 | 17.9% |
| Boone | 30,069 | 6,066 | 20.17% |
| Brown | 3,467 | 617 | 17.8% |
| Bureau | 25,122 | 4,910 | 19.54% |
| Calhoun | 3,880 | 1,636 | 42.16% |
| Carroll | 12,360 | 2,493 | 20.17% |
| Cass | 9,136 | 1,291 | 14.13% |
| Champaign | 112,302 | 22,695 | 20.21% |
| Christian | 23,170 | 3,127 | 13.5% |
| Clark | 12,217 | 1,810 | 14.82% |
| Clay | 9,647 | 2,274 | 23.57% |
| Clinton | 25,364 | 2,313 | 9.12% |
| Coles | 29,746 | 6,745 | 22.68% |
| Cook | 2,682,718 | 762,273 | 28.41% |
| Crawford | 13,044 | 2,146 | 16.45% |
| Cumberland | 8,723 | 1,752 | 20.08% |
| DeKalb | 53,224 | 12,439 | 23.37% |
| DeWitt | 12,426 | 2,569 | 20.67% |
| Douglas | 12,387 | 4,271 | 34.48% |
| DuPage | 518,275 | 149,399 | 28.83% |
| Edgar | 12,703 | 2,120 | 16.69% |
| Edwards | 4,596 | 1,076 | 23.41% |
| Effingham | 21,702 | 3,968 | 18.28% |
| Fayette | 14,708 | 2,926 | 19.89% |
| Ford | 8,831 | 2,851 | 32.28% |
| Franklin | 30,480 | 8,435 | 27.67% |
| Fulton | 26,445 | 8,177 | 30.92% |
| Gallatin | 4,452 | 2,524 | 56.69% |
| Greene | 9,368 | 2,784 | 29.72% |
| Grundy | 30,596 | 8,270 | 27.03% |
| Hamilton | 6,515 | 2,642 | 40.55% |
| Hancock | 13,156 | 3,750 | 28.5% |
| Hardin | 3,875 | 1,590 | 41.03% |
| Henderson | 5,211 | 1,513 | 29.03% |
| Henry | 38,356 | 5,850 | 15.25% |
| Iroquois | 19,370 | 6,208 | 32.05% |
| Jackson | 44,358 | 7,925 | 17.87% |
| Jasper | 7,498 | 2,476 | 33.02% |
| Jefferson | 26,935 | 5,451 | 20.24% |
| Jersey | 16,023 | 3,561 | 22.22% |
| Jo Daviess | 16,225 | 5,568 | 34.32% |
| Johnson | 7,485 | 3,526 | 47.11% |
| Kane | 244,891 | 66,331 | 27.09% |
| Kankakee | 64,855 | 10,322 | 15.92% |
| Kendall | 51,495 | 17,900 | 34.76% |
| Knox | 33,646 | 7,687 | 22.85% |
| Lake | 369,845 | 81,724 | 22.1% |
| LaSalle | 72,650 | 13,384 | 18.42% |
| Lawrence | 11,104 | 2,616 | 23.56% |
| Lee | 24,570 | 5,779 | 23.52% |
| Livingston | 23,302 | 4,468 | 19.17% |
| Logan | 18,845 | 4,520 | 23.99% |
| Macon | 78,617 | 8,594 | 10.93% |
| Macoupin | 35,273 | 9,289 | 26.33% |
| Madison | 170,202 | 27,101 | 15.92% |
| Marion | 30,063 | 4,259 | 14.17% |
| Marshall | 8,590 | 1,778 | 20.7% |
| Mason | 10,787 | 2,085 | 19.33% |
| Massac | 12,454 | 2,855 | 22.92% |
| McDonough | 18,230 | 3,993 | 21.9% |
| McHenry | 185,638 | 50,251 | 27.07% |
| McLean | 97,788 | 19,097 | 19.53% |
| Menard | 8,890 | 1,990 | 22.38% |
| Mercer | 13,960 | 2,235 | 16.01% |
| Monroe | 22,520 | 6,494 | 28.84% |
| Montgomery | 17,706 | 2,556 | 14.44% |
| Morgan | 22,938 | 5,949 | 25.94% |
| Moultrie | 9,561 | 1,470 | 15.37% |
| Ogle | 36,013 | 11,193 | 31.08% |
| Peoria | 109,973 | 18,772 | 17.07% |
| Perry | 14,755 | 3,008 | 20.39% |
| Piatt | 12,155 | 2,460 | 20.24% |
| Pike | 12,300 | 1,843 | 14.98% |
| Pope | 3,516 | 1,272 | 36.18% |
| Pulaski | 5,840 | 2,061 | 35.29% |
| Putnam | 4,534 | 1,139 | 25.12% |
| Randolph | 23,362 | 6,013 | 25.74% |
| Richland | 12,993 | 1,899 | 14.62% |
| Rock Island | 115,949 | 18,346 | 15.82% |
| Saline | 16,583 | 5,132 | 30.95% |
| Sangamon | 128,744 | 24,276 | 18.86% |
| Schuyler | 5,518 | 1,480 | 26.82% |
| Scott | 3,844 | 711 | 18.5% |
| Shelby | 16,062 | 3,826 | 23.82% |
| Stark | 4,870 | 819 | 16.82% |
| St. Clair | 186,967 | 27,472 | 14.69% |
| Stephenson | 33,182 | 6,370 | 19.2% |
| Tazewell | 92,905 | 15,161 | 16.32% |
| Union | 16,026 | 4,305 | 26.86% |
| Vermilion | 49,290 | 6,998 | 14.2% |
| Wabash | 10,186 | 1,896 | 18.61% |
| Warren | 12,284 | 3,733 | 30.39% |
| Washington | 11,919 | 2,980 | 25% |
| Wayne | 12,716 | 4,405 | 34.64% |
| White | 11,685 | 2,993 | 25.61% |
| Whiteside | 41,937 | 5,632 | 13.43% |
| Will | 329,996 | 105,092 | 31.85% |
| Williamson | 41,867 | 8,442 | 20.16% |
| Winnebago | 175,825 | 38,044 | 21.64% |
| Woodford | 24,171 | 6,179 | 25.56% |
| 7,263,969 | 1,804,624 | 24.84% |
General election
For the general election, turnout was 48.64%, with 3,587,676 votes cast.;Turnout by county
| County | Registration | Votes cast | Turnout% |
| Adams | 43,873 | 22,599 | 51.51% |
| Alexander | 7,760 | 3,126 | 40.28% |
| Bond | 10,486 | 5,990 | 57.12% |
| Boone | 31,627 | 15,711 | 49.68% |
| Brown | 3,525 | 2,147 | 60.91% |
| Bureau | 25,226 | 12,349 | 48.95% |
| Calhoun | 3,983 | 2,486 | 62.42% |
| Carroll | 12,734 | 6,142 | 48.23% |
| Cass | 9,037 | 4,631 | 51.24% |
| Champaign | 113,905 | 53,869 | 47.29% |
| Christian | 23,329 | 11,922 | 51.1% |
| Clark | 12,263 | 5,825 | 47.5% |
| Clay | 9,384 | 5,062 | 53.94% |
| Clinton | 25,250 | 12,652 | 50.11% |
| Coles | 30,632 | 14,447 | 47.16% |
| Cook | 2,710,118 | 1,350,915 | 49.85% |
| Crawford | 13,392 | 7,185 | 53.65% |
| Cumberland | 8,783 | 4,064 | 46.27% |
| DeKalb | 54,766 | 26,336 | 48.09% |
| DeWitt | 12,732 | 6,034 | 47.39% |
| Douglas | 12,494 | 6,089 | 48.74% |
| DuPage | 529,726 | 268,988 | 50.78% |
| Edgar | 12,205 | 6,499 | 53.25% |
| Edwards | 4,660 | 2,741 | 58.82% |
| Effingham | 22,306 | 12,829 | 57.51% |
| Fayette | 14,902 | 7,990 | 53.62% |
| Ford | 9,976 | 4,491 | 45.02% |
| Franklin | 30,466 | 13,812 | 45.34% |
| Fulton | 26,591 | 13,257 | 49.86% |
| Gallatin | 4,483 | 2,653 | 59.18% |
| Greene | 9,411 | 5,023 | 53.37% |
| Grundy | 28,508 | 14,580 | 51.14% |
| Hamilton | 6,459 | 4,040 | 62.55% |
| Hancock | 13,363 | 7,785 | 58.26% |
| Hardin | 3,959 | 2,275 | 57.46% |
| Henderson | 5,297 | 3,031 | 57.22% |
| Henry | 36,633 | 18,295 | 49.94% |
| Iroquois | 20,017 | 9,504 | 47.48% |
| Jackson | 45,362 | 16,143 | 35.59% |
| Jasper | 7,373 | 4,136 | 56.1% |
| Jefferson | 27,269 | 12,924 | 47.39% |
| Jersey | 15,730 | 7,874 | 50.06% |
| Jo Daviess | 16,311 | 8,248 | 50.57% |
| Johnson | 7,512 | 4,590 | 61.1% |
| Kane | 252,171 | 116,249 | 46.1% |
| Kankakee | 62,344 | 31,431 | 50.42% |
| Kendall | 54,857 | 25,709 | 46.87% |
| Knox | 34,254 | 17,802 | 51.97% |
| Lake | 369,853 | 190,718 | 51.57% |
| LaSalle | 73,127 | 34,221 | 46.8% |
| Lawrence | 10,028 | 5,299 | 52.84% |
| Lee | 24,922 | 11,177 | 44.85% |
| Livingston | 23,340 | 11,044 | 47.32% |
| Logan | 19,094 | 10,248 | 53.67% |
| Macon | 84,882 | 35,480 | 41.8% |
| Macoupin | 34,560 | 17,693 | 51.2% |
| Madison | 172,933 | 80,580 | 46.6% |
| Marion | 30,063 | 12,629 | 42.01% |
| Marshall | 8,736 | 4,673 | 53.49% |
| Mason | 10,611 | 5,122 | 48.27% |
| Massac | 12,688 | 5,447 | 42.93% |
| McDonough | 19,105 | 10,136 | 53.05% |
| McHenry | 186,323 | 82,725 | 44.4% |
| McLean | 99,949 | 44,171 | 44.19% |
| Menard | 8,954 | 5,183 | 57.88% |
| Mercer | 14,145 | 6,363 | 44.98% |
| Monroe | 22,375 | 11,127 | 49.73% |
| Montgomery | 18,105 | 11,213 | 61.93% |
| Morgan | 23,421 | 12,107 | 51.69% |
| Moultrie | 9,295 | 4,952 | 53.28% |
| Ogle | 36,994 | 16,223 | 43.85% |
| Peoria | 119,412 | 55,418 | 46.41% |
| Perry | 14,518 | 7,926 | 54.59% |
| Piatt | 12,323 | 6,722 | 54.55% |
| Pike | 12,397 | 6,244 | 50.37% |
| Pope | 3,535 | 2,105 | 59.55% |
| Pulaski | 6,597 | 2,921 | 44.28% |
| Putnam | 4,513 | 2,313 | 51.25% |
| Randolph | 23,607 | 12,052 | 51.05% |
| Richland | 13,236 | 6,268 | 47.36% |
| Rock Island | 117,626 | 47,130 | 40.07% |
| Saline | 16,992 | 9,487 | 55.83% |
| Sangamon | 131,579 | 76,504 | 58.14% |
| Schuyler | 5,513 | 3,216 | 58.33% |
| Scott | 3,890 | 2,089 | 53.7% |
| Shelby | 16,402 | 7,889 | 48.1% |
| Stark | 4,919 | 2,222 | 45.17% |
| St. Clair | 189,124 | 70,725 | 37.4% |
| Stephenson | 32,043 | 13,763 | 42.95% |
| Tazewell | 93,838 | 44,098 | 46.99% |
| Union | 16,237 | 7,086 | 43.64% |
| Vermilion | 50,038 | 23,716 | 47.4% |
| Wabash | 10,132 | 4,707 | 46.46% |
| Warren | 11,164 | 6,040 | 54.1% |
| Washington | 12,083 | 6,478 | 53.61% |
| Wayne | 12,159 | 7,526 | 61.9% |
| White | 11,820 | 6,330 | 53.55% |
| Whiteside | 42,621 | 17,916 | 42.04% |
| Will | 344,584 | 162,745 | 47.23% |
| Williamson | 42,900 | 21,094 | 49.17% |
| Winnebago | 184,352 | 80,876 | 43.87% |
| Woodford | 24,587 | 13,059 | 53.11% |
| 7,375,688 | 3,587,676 | 48.64% |
Federal elections
United States House
All 19 of Illinois’ seats in the United States House of Representatives were up for election in 2006.No seats switched parties, leaving the composition of Illinois' House delegation 10 Democrats and 9 Republicans.