2010 Illinois elections
Elections were held in Illinois on Tuesday, November 2, 2010. Primary elections were held on February 2, 2010.
Election information
2010 was a midterm election year in the United States.Turnout
Primary election
For the primary election, turnout was 23.14%, with 1,758,489 votes cast.;Turnout by county
| County | Registration | Votes cast | Turnout |
| Adams | 45,182 | 7,655 | 16.94% |
| Alexander | 7,942 | 1,727 | 21.75% |
| Bond | 11,734 | 1,786 | 15.22% |
| Boone | 33,048 | 6,596 | 19.96% |
| Brown | 3,852 | 832 | 21.6% |
| Bureau | 23,216 | 4,034 | 17.38% |
| Calhoun | 3,766 | 1,901 | 50.48% |
| Carroll | 12,139 | 2,814 | 23.18% |
| Cass | 9,553 | 3,584 | 37.52% |
| Champaign | 117,991 | 22,466 | 19.04% |
| Christian | 22,459 | 7,068 | 31.47% |
| Clark | 12,821 | 2,279 | 17.78% |
| Clay | 9,798 | 1,942 | 19.82% |
| Clinton | 25,528 | 3,422 | 13.4% |
| Coles | 30,412 | 8,957 | 29.45% |
| Cook | 2,883,692 | 761,626 | 26.41% |
| Crawford | 14,324 | 2,286 | 15.96% |
| Cumberland | 9,048 | 2,272 | 25.11% |
| DeKalb | 56,012 | 14,024 | 25.04% |
| DeWitt | 11,689 | 3,856 | 32.99% |
| Douglas | 11,722 | 4,184 | 35.69% |
| DuPage | 548,771 | 136,750 | 24.92% |
| Edgar | 13,170 | 3,004 | 22.81% |
| Edwards | 4,689 | 943 | 20.11% |
| Effingham | 22,187 | 5,666 | 25.54% |
| Fayette | 15,289 | 2,891 | 18.91% |
| Ford | 8,710 | 2,834 | 32.54% |
| Franklin | 31,891 | 8,752 | 27.44% |
| Fulton | 24,642 | 5,772 | 23.42% |
| Gallatin | 4,237 | 1,991 | 46.99% |
| Greene | 8,615 | 2,223 | 25.8% |
| Grundy | 30,933 | 6,952 | 22.47% |
| Hamilton | 5,781 | 1,849 | 31.98% |
| Hancock | 13,496 | 2,610 | 19.34% |
| Hardin | 3,709 | 1,437 | 38.74% |
| Henderson | 5,179 | 1,447 | 27.94% |
| Henry | 37,309 | 8,438 | 22.62% |
| Iroquois | 19,277 | 7,674 | 39.81% |
| Jackson | 36,567 | 6,873 | 18.8% |
| Jasper | 7,505 | 2,350 | 31.31% |
| Jefferson | 24,172 | 4,624 | 19.13% |
| Jersey | 17,041 | 2,625 | 15.4% |
| Jo Daviess | 16,321 | 4,044 | 24.78% |
| Johnson | 7,876 | 3,029 | 38.46% |
| Kane | 264,600 | 52,530 | 19.85% |
| Kankakee | 67,614 | 11,056 | 16.35% |
| Kendall | 60,295 | 13,459 | 22.32% |
| Knox | 33,720 | 6,226 | 18.46% |
| Lake | 401,680 | 83,908 | 20.89% |
| LaSalle | 71,815 | 15,314 | 21.32% |
| Lawrence | 10,640 | 3,134 | 29.45% |
| Lee | 25,107 | 4,543 | 18.09% |
| Livingston | 21,477 | 7,776 | 36.21% |
| Logan | 19,999 | 5,417 | 27.09% |
| Macon | 71,226 | 13,303 | 18.68% |
| Macoupin | 34,040 | 8,107 | 23.82% |
| Madison | 173,397 | 27,383 | 15.79% |
| Marion | 27,689 | 6,744 | 24.36% |
| Marshall | 8,510 | 1,922 | 22.59% |
| Mason | 10,502 | 2,015 | 19.19% |
| Massac | 12,104 | 2,303 | 19.03% |
| McDonough | 16,762 | 4,206 | 25.09% |
| McHenry | 200,688 | 36,078 | 17.98% |
| McLean | 95,280 | 21,257 | 22.31% |
| Menard | 9,701 | 2,083 | 21.47% |
| Mercer | 14,288 | 2,348 | 16.43% |
| Monroe | 22,962 | 4,276 | 18.62% |
| Montgomery | 17,667 | 5,223 | 29.56% |
| Morgan | 23,096 | 4,620 | 20% |
| Moultrie | 8,967 | 2,239 | 24.97% |
| Ogle | 40,360 | 8,881 | 22% |
| Peoria | 110,919 | 22,637 | 20.41% |
| Perry | 14,928 | 3,710 | 24.85% |
| Piatt | 12,079 | 4,024 | 33.31% |
| Pike | 10,723 | 2,232 | 20.82% |
| Pope | 3,376 | 1,388 | 41.11% |
| Pulaski | 7,157 | 1,470 | 20.54% |
| Putnam | 4,228 | 1,530 | 36.19% |
| Randolph | 20,725 | 4,543 | 21.92% |
| Richland | 13,644 | 2,264 | 16.59% |
| Rock Island | 124,361 | 18,224 | 14.65% |
| Saline | 16,366 | 3,591 | 21.94% |
| Sangamon | 133,469 | 25,838 | 19.36% |
| Schuyler | 5,522 | 1,271 | 23.02% |
| Scott | 3,942 | 836 | 21.21% |
| Shelby | 15,465 | 3,639 | 23.53% |
| Stark | 4,747 | 1,369 | 28.84% |
| St. Clair | 186,372 | 32,986 | 17.7% |
| Stephenson | 34,480 | 6,303 | 18.28% |
| Tazewell | 87,517 | 18,751 | 21.43% |
| Union | 15,280 | 4,086 | 26.74% |
| Vermilion | 47,735 | 8,598 | 18.01% |
| Wabash | 9,515 | 1,351 | 14.2% |
| Warren | 11,261 | 2,598 | 23.07% |
| Washington | 9,720 | 3,399 | 34.97% |
| Wayne | 12,490 | 5,201 | 41.64% |
| White | 11,515 | 1,790 | 15.54% |
| Whiteside | 39,407 | 5,635 | 14.3% |
| Will | 360,651 | 79,000 | 21.9% |
| Williamson | 41,960 | 10,324 | 24.6% |
| Winnebago | 178,992 | 27,115 | 15.15% |
| Woodford | 24,935 | 6,346 | 25.45% |
| 7,600,962 | 1,758,489 | 23.14% |
General election
For the general election, turnout was 50.53%, with 3,792,770 votes cast.;Turnout by county
| County | Registration | Votes cast | Turnout |
| Adams | 44,891 | 24,125 | 53.74% |
| Alexander | 7,806 | 2,910 | 37.28% |
| Bond | 11,886 | 5,618 | 47.27% |
| Boone | 33,464 | 15,111 | 45.16% |
| Brown | 3,489 | 2,227 | 63.83% |
| Bureau | 23,782 | 12,969 | 54.53% |
| Calhoun | 3,817 | 2,418 | 63.35% |
| Carroll | 11,895 | 5,242 | 44.07% |
| Cass | 9,830 | 3,964 | 40.33% |
| Champaign | 122,441 | 54,818 | 44.77% |
| Christian | 22,692 | 12,780 | 56.32% |
| Clark | 12,914 | 6,236 | 48.29% |
| Clay | 9,850 | 4,992 | 50.68% |
| Clinton | 32,161 | 13,205 | 41.06% |
| Coles | 31,489 | 15,087 | 47.91% |
| Cook | 2,704,993 | 1,424,959 | 52.68% |
| Crawford | 14,133 | 7,020 | 49.67% |
| Cumberland | 7,708 | 4,393 | 56.99% |
| DeKalb | 57,102 | 29,197 | 51.13% |
| DeWitt | 11,733 | 5,815 | 49.56% |
| Douglas | 11,980 | 6,545 | 54.63% |
| DuPage | 558,929 | 288,680 | 51.65% |
| Edgar | 13,238 | 7,143 | 53.96% |
| Edwards | 4,622 | 2,296 | 49.68% |
| Effingham | 22,838 | 13,202 | 57.81% |
| Fayette | 15,406 | 6,891 | 44.73% |
| Ford | 8,908 | 4,699 | 52.75% |
| Franklin | 29,513 | 13,334 | 45.18% |
| Fulton | 24,904 | 11,833 | 47.51% |
| Gallatin | 4,234 | 2,299 | 54.3% |
| Greene | 8,753 | 4,540 | 51.87% |
| Grundy | 29,708 | 16,973 | 57.13% |
| Hamilton | 5,853 | 3,644 | 62.26% |
| Hancock | 13,461 | 6,943 | 51.58% |
| Hardin | 3,833 | 2,194 | 57.24% |
| Henderson | 5,231 | 3,574 | 68.32% |
| Henry | 35,322 | 18,444 | 52.22% |
| Iroquois | 19,847 | 10,703 | 53.93% |
| Jackson | 42,164 | 16,696 | 39.6% |
| Jasper | 7,586 | 4,126 | 54.39% |
| Jefferson | 24,750 | 12,663 | 51.16% |
| Jersey | 17,250 | 7,825 | 45.36% |
| Jo Daviess | 16,347 | 8,279 | 50.65% |
| Johnson | 8,083 | 4,777 | 59.1% |
| Kane | 260,429 | 129,050 | 49.55% |
| Kankakee | 64,306 | 32,999 | 51.32% |
| Kendall | 65,153 | 31,538 | 48.41% |
| Knox | 34,258 | 16,943 | 49.46% |
| Lake | 404,637 | 207,499 | 51.28% |
| LaSalle | 73,051 | 34,423 | 47.12% |
| Lawrence | 10,770 | 5,314 | 49.34% |
| Lee | 25,723 | 11,075 | 43.05% |
| Livingston | 21,968 | 12,844 | 58.47% |
| Logan | 20,088 | 9,008 | 44.84% |
| Macon | 72,975 | 37,186 | 50.96% |
| Macoupin | 34,443 | 16,809 | 48.8% |
| Madison | 177,371 | 83,208 | 46.91% |
| Marion | 28,274 | 12,227 | 43.24% |
| Marshall | 8,613 | 4,379 | 50.84% |
| Mason | 10,510 | 4,995 | 47.53% |
| Massac | 12,350 | 5,047 | 40.87% |
| McDonough | 17,909 | 9,433 | 52.67% |
| McHenry | 202,033 | 95,339 | 47.19% |
| McLean | 97,274 | 52,944 | 54.43% |
| Menard | 9,744 | 4,951 | 50.81% |
| Mercer | 14,295 | 6,892 | 48.21% |
| Monroe | 23,792 | 12,037 | 50.59% |
| Montgomery | 18,162 | 9,911 | 54.57% |
| Morgan | 22,816 | 10,978 | 48.12% |
| Moultrie | 8,904 | 4,964 | 55.75% |
| Ogle | 40,973 | 17,461 | 42.62% |
| Peoria | 121,725 | 53,848 | 44.24% |
| Perry | 14,989 | 7,663 | 51.12% |
| Piatt | 11,990 | 6,895 | 57.51% |
| Pike | 11,418 | 6,525 | 57.15% |
| Pope | 3,397 | 2,089 | 61.5% |
| Pulaski | 5,961 | 2,972 | 49.86% |
| Putnam | 4,296 | 2,371 | 55.19% |
| Randolph | 21,130 | 11,902 | 56.33% |
| Richland | 13,826 | 5,217 | 37.73% |
| Rock Island | 125,875 | 47,053 | 37.38% |
| Saline | 16,780 | 8,292 | 49.42% |
| Sangamon | 136,649 | 74,124 | 54.24% |
| Schuyler | 5,618 | 3,035 | 54.02% |
| Scott | 3,996 | 1,828 | 45.75% |
| Shelby | 15,610 | 8,309 | 53.23% |
| Stark | 4,752 | 1,969 | 41.44% |
| St. Clair | 194,486 | 82,250 | 42.29% |
| Stephenson | 34,930 | 15,008 | 42.97% |
| Tazewell | 89,514 | 46,268 | 51.69% |
| Union | 15,156 | 6,745 | 44.5% |
| Vermilion | 48,711 | 22,833 | 46.87% |
| Wabash | 9,242 | 4,057 | 43.9% |
| Warren | 11,953 | 6,134 | 51.32% |
| Washington | 10,662 | 5,979 | 56.08% |
| Wayne | 12,689 | 6,983 | 55.03% |
| White | 11,598 | 5,361 | 46.22% |
| Whiteside | 38,300 | 19,240 | 50.23% |
| Will | 371,079 | 196,857 | 53.05% |
| Williamson | 43,569 | 22,735 | 52.18% |
| Winnebago | 179,182 | 83,229 | 46.45% |
| Woodford | 25,333 | 14,156 | 55.88% |
| 7,506,073 | 3,792,770 | 50.53% |
Federal elections
United States Senate
Incumbent Democrat Roland Burris, appointed in 2009 by then-Governor Rod Blagojevich to fill the U.S. Senate seat that Barack Obama had vacated after being elected President of the United States, did not seek reelection.U.S. Congressman Mark Kirk won against State Treasurer Alexi Giannoulias Mike Labno and football coach LeAlan Jones in both a regular election for the Senate seat and a coinciding special election to fill the remainder of Barack Obama's unexpired term.
United States House
All Illinois seats in the United States House of Representatives were up for election in 2010.The Republican Party flipped four Democratic-held seats, making the composition of Illinois' House delegation 11 Republicans and 8 Democrats.
State elections
Governor and Lieutenant Governor
Incumbent Governor Pat Quinn, who became governor after Rod Blagojevich was removed from office, was elected outright to his first full term.Attorney General
Incumbent Democratic Attorney General Lisa Madigan won reelection to a third term in officeDemocratic primary
Republican primary
Green primary
General election
Secretary of State
Incumbent Democratic Secretary of State Jesse White won reelection to a fourth term in office.Democratic primary
Republican primary
Green primary
General election
Green Party nominee Adrian Frost withdrew before the election.Comptroller
Incumbent Comptroller Daniel Hynes, a Democrat, did not seek a fourth term. Republican Judy Baar Topinka was elected to succeed him.Democratic primary
Republican primary
Green primary
General election
Treasurer
Incumbent Treasurer Alexi Giannoulias, a Democrat, did not seek reelection to a second term, instead opting to run for United States Senate. Republican Dan Rutherford was elected to succeed him.Democratic primary
Republican primary
Green primary
General election
State Senate
One-third of the seats of the Illinois Senate were up for election in 2010.State House of Representatives
All of the seats in the Illinois House of Representatives were up for election in 2010.Judicial elections
Multiple judicial positions were up for election in 2010.Ballot measures