2016 Illinois elections
The Illinois general election was held on November 8, 2016.
Primaries were held March 15.
In addition to federal races for President, Senate, and House, all 118 seats of the Illinois House of Representatives and 40 seats of the Illinois Senate were up for election, a special election was held for Illinois Comptroller, judicial elections were held, and a statewide ballot measure was voted upon.
Election information
Turnout
Primary election
For the primary election, turnout was 46.56%, with 3,569,960 votes cast. Over 520,000 of votes cast were done so as early votes.;Turnout by county
| County | Registration | Votes cast | Turnout |
| Adams | 45,246 | 17,946 | 39.66% |
| Alexander | 5,825 | 2,021 | 34.7% |
| Bond | 12,365 | 4,479 | 36.22% |
| Boone | 31,979 | 14,691 | 45.94% |
| Brown | 3,388 | 1,357 | 40.05% |
| Bureau | 23,881 | 9,107 | 38.13% |
| Calhoun | 3,511 | 1,810 | 51.55% |
| Carroll | 11,499 | 4,980 | 43.31% |
| Cass | 7,721 | 2,724 | 35.28% |
| Champaign | 119,454 | 59,003 | 49.39% |
| Christian | 22,335 | 8,533 | 38.2% |
| Clark | 11,699 | 4,954 | 42.35% |
| Clay | 9,221 | 3,588 | 38.91% |
| Clinton | 24,952 | 8,072 | 32.35% |
| Coles | 28,751 | 12,890 | 44.83% |
| Cook | 2,958,173 | 1,512,348 | 51.12% |
| Crawford | 12,558 | 4,875 | 38.82% |
| Cumberland | 7,753 | 3,756 | 48.45% |
| DeKalb | 57,530 | 26,517 | 46.09% |
| DeWitt | 12,109 | 5,205 | 42.98% |
| Douglas | 11,390 | 5,344 | 46.92% |
| DuPage | 572,109 | 289,589 | 50.62% |
| Edgar | 12,710 | 4,728 | 37.2% |
| Edwards | 4,256 | 2,326 | 54.65% |
| Effingham | 22,691 | 10,166 | 44.8% |
| Fayette | 12,821 | 5,363 | 41.83% |
| Ford | 8,499 | 4,198 | 49.39% |
| Franklin | 27,115 | 11,660 | 43% |
| Fulton | 25,434 | 9,445 | 37.14% |
| Gallatin | 3,776 | 2,393 | 63.37% |
| Greene | 8,523 | 3,394 | 39.82% |
| Grundy | 30,702 | 13,115 | 42.72% |
| Hamilton | 5,731 | 2,821 | 49.22% |
| Hancock | 12,096 | 4,773 | 39.46% |
| Hardin | 2,851 | 1,395 | 48.93% |
| Henderson | 4,931 | 1,890 | 38.33% |
| Henry | 35,371 | 13,142 | 37.15% |
| Iroquois | 17,844 | 8,210 | 46.01% |
| Jackson | 39,167 | 13,587 | 34.69% |
| Jasper | 6,746 | 3,082 | 45.69% |
| Jefferson | 23,169 | 11,047 | 47.68% |
| Jersey | 15,547 | 6,078 | 39.09% |
| Jo Daviess | 15,622 | 6,963 | 44.57% |
| Johnson | 8,390 | 4,091 | 48.76% |
| Kane | 279,908 | 114,192 | 40.8% |
| Kankakee | 63,673 | 25,982 | 40.81% |
| Kendall | 69,158 | 31,079 | 44.94% |
| Knox | 32,987 | 13,345 | 40.46% |
| Lake | 413,663 | 182,851 | 44.2% |
| LaSalle | 67,991 | 27,728 | 40.78% |
| Lawrence | 9,139 | 3,631 | 39.73% |
| Lee | 22,425 | 9,742 | 43.44% |
| Livingston | 21,790 | 11,100 | 50.94% |
| Logan | 18,892 | 7,949 | 42.08% |
| Macon | 74,240 | 27,774 | 37.41% |
| Macoupin | 31,424 | 14,730 | 46.88% |
| Madison | 170,325 | 72,740 | 42.71% |
| Marion | 25,772 | 9,710 | 37.68% |
| Marshall | 8,459 | 4,399 | 52% |
| Mason | 9,848 | 3,617 | 36.73% |
| Massac | 11,580 | 4,139 | 35.74% |
| McDonough | 17,113 | 6,973 | 40.75% |
| McHenry | 205,178 | 88,950 | 43.35% |
| McLean | 105,634 | 52,686 | 49.88% |
| Menard | 8,975 | 3,746 | 41.74% |
| Mercer | 11,721 | 4,583 | 39.1% |
| Monroe | 23,911 | 11,259 | 47.09% |
| Montgomery | 17,529 | 8,486 | 48.41% |
| Morgan | 22,504 | 8,763 | 38.94% |
| Moultrie | 8,362 | 3,834 | 45.85% |
| Ogle | 31,570 | 15,757 | 49.91% |
| Peoria | 109,327 | 48,014 | 43.92% |
| Perry | 14,369 | 5,120 | 35.63% |
| Piatt | 11,567 | 6,780 | 58.62% |
| Pike | 11,649 | 4,401 | 37.78% |
| Pope | 2,939 | 1,336 | 45.46% |
| Pulaski | 4,353 | 1,642 | 37.72% |
| Putnam | 4,254 | 1,929 | 45.35% |
| Randolph | 21,036 | 7,329 | 34.84% |
| Richland | 11,151 | 4,118 | 36.93% |
| Rock Island | 96,885 | 34,567 | 35.68% |
| Saline | 15,823 | 6,891 | 43.55% |
| Sangamon | 128,576 | 55,764 | 43.37% |
| Schuyler | 5,440 | 2,270 | 41.73% |
| Scott | 3,721 | 1,488 | 39.99% |
| Shelby | 14,751 | 6,753 | 45.78% |
| Stark | 4,089 | 1,597 | 39.06% |
| St. Clair | 179,296 | 70,138 | 39.12% |
| Stephenson | 33,736 | 12,854 | 38.1% |
| Tazewell | 88,509 | 40,896 | 46.21% |
| Union | 12,422 | 5,360 | 43.15% |
| Vermilion | 45,413 | 17,506 | 38.55% |
| Wabash | 8,462 | 3,078 | 36.37% |
| Warren | 11,053 | 4,585 | 41.48% |
| Washington | 9,620 | 4,354 | 45.26% |
| Wayne | 11,986 | 5,613 | 46.83% |
| White | 10,379 | 4,015 | 38.68% |
| Whiteside | 36,702 | 13,056 | 35.57% |
| Will | 402,557 | 177,799 | 44.17% |
| Williamson | 44,300 | 18,560 | 41.9% |
| Winnebago | 165,291 | 71,089 | 43.01% |
| Woodford | 25,895 | 13,657 | 52.74% |
| 7,666,763 | 3,569,960 | 46.56% |
General election
For the general election, turnout was 70.56%, with 5,666,118 votes cast.;Turnout by county
| County | Registration | Votes cast | Turnout% |
| Adams | 47,072 | 32,563 | 69.18% |
| Alexander | 5,867 | 2,880 | 49.09% |
| Bond | 12,550 | 7,644 | 60.91% |
| Boone | 32,972 | 23,199 | 70.36% |
| Brown | 3,769 | 2,413 | 64.02% |
| Bureau | 24,087 | 16,771 | 69.63% |
| Calhoun | 3,554 | 2,622 | 73.78% |
| Carroll | 11,008 | 7,566 | 68.73% |
| Cass | 7,895 | 5,187 | 65.7% |
| Champaign | 134,352 | 92,842 | 69.1% |
| Christian | 22,732 | 15,713 | 69.12% |
| Clark | 12,020 | 8,003 | 66.58% |
| Clay | 9,642 | 6,421 | 66.59% |
| Clinton | 25,414 | 17,599 | 69.25% |
| Coles | 30,778 | 22,138 | 71.93% |
| Cook | 3,082,719 | 2,205,504 | 71.54% |
| Crawford | 12,983 | 8,824 | 67.97% |
| Cumberland | 7,930 | 5,630 | 71% |
| DeKalb | 62,119 | 43,978 | 70.8% |
| DeWitt | 12,374 | 7,628 | 61.65% |
| Douglas | 12,041 | 8,285 | 68.81% |
| DuPage | 614,752 | 435,143 | 70.78% |
| Edgar | 13,273 | 8,008 | 60.33% |
| Edwards | 4,311 | 3,395 | 78.75% |
| Effingham | 23,755 | 17,788 | 74.88% |
| Fayette | 13,336 | 9,727 | 72.94% |
| Ford | 9,586 | 6,480 | 67.6% |
| Franklin | 27,697 | 18,943 | 68.39% |
| Fulton | 25,869 | 15,938 | 61.61% |
| Gallatin | 3,838 | 2,760 | 71.91% |
| Greene | 8,652 | 5,652 | 65.33% |
| Grundy | 32,626 | 23,474 | 71.95% |
| Hamilton | 5,779 | 4,252 | 73.58% |
| Hancock | 12,370 | 9,223 | 74.56% |
| Hardin | 2,937 | 2,202 | 74.97% |
| Henderson | 4,865 | 3,594 | 73.87% |
| Henry | 36,454 | 24,986 | 68.54% |
| Iroquois | 18,345 | 13,270 | 72.34% |
| Jackson | 41,829 | 24,870 | 59.46% |
| Jasper | 6,912 | 5,231 | 75.68% |
| Jefferson | 24,171 | 17,192 | 71.13% |
| Jersey | 16,115 | 11,114 | 68.97% |
| Jo Daviess | 16,207 | 11,496 | 70.93% |
| Johnson | 8,539 | 6,166 | 72.21% |
| Kane | 300,293 | 204,393 | 68.06% |
| Kankakee | 64,829 | 47,785 | 73.71% |
| Kendall | 75,755 | 54,495 | 71.94% |
| Knox | 34,031 | 22,838 | 67.11% |
| Lake | 430,436 | 306,829 | 71.28% |
| LaSalle | 70,850 | 50,401 | 71.14% |
| Lawrence | 9,375 | 6,164 | 65.75% |
| Lee | 22,919 | 15,707 | 68.53% |
| Livingston | 22,570 | 15,585 | 69.05% |
| Logan | 19,235 | 12,564 | 65.32% |
| Macon | 76,226 | 48,524 | 63.66% |
| Macoupin | 31,700 | 22,681 | 71.55% |
| Madison | 182,063 | 131,347 | 72.14% |
| Marion | 24,915 | 17,281 | 69.36% |
| Marshall | 8,266 | 6,081 | 73.57% |
| Mason | 10,005 | 6,597 | 65.94% |
| Massac | 11,801 | 6,773 | 57.39% |
| McDonough | 18,782 | 13,318 | 70.91% |
| McHenry | 218,178 | 145,254 | 66.58% |
| McLean | 112,198 | 82,053 | 73.13% |
| Menard | 9,232 | 6,589 | 71.37% |
| Mercer | 12,081 | 8,625 | 71.39% |
| Monroe | 24,890 | 19,517 | 78.41% |
| Montgomery | 17,899 | 13,140 | 73.41% |
| Morgan | 22,984 | 15,005 | 65.28% |
| Moultrie | 8,642 | 6,358 | 73.57% |
| Ogle | 33,627 | 24,460 | 72.74% |
| Peoria | 118,746 | 81,462 | 68.6% |
| Perry | 14,342 | 10,044 | 70.03% |
| Piatt | 11,743 | 9,166 | 78.06% |
| Pike | 11,909 | 7,607 | 63.88% |
| Pope | 2,983 | 2,174 | 72.88% |
| Pulaski | 4,398 | 2,775 | 63.1% |
| Putnam | 4,260 | 3,183 | 74.72% |
| Randolph | 21,376 | 14,445 | 67.58% |
| Richland | 11,311 | 7,766 | 68.66% |
| Rock Island | 100,163 | 64,672 | 64.57% |
| Saline | 16,679 | 11,623 | 69.69% |
| Sangamon | 136,312 | 99,757 | 73.18% |
| Schuyler | 5,486 | 3,896 | 71.02% |
| Scott | 3,790 | 2,640 | 69.66% |
| Shelby | 15,175 | 11,158 | 73.53% |
| Stark | 4,171 | 2,788 | 66.84% |
| St. Clair | 184,932 | 122,936 | 66.48% |
| Stephenson | 34,165 | 20,649 | 60.44% |
| Tazewell | 90,769 | 65,511 | 72.17% |
| Union | 12,685 | 8,742 | 68.92% |
| Vermilion | 47,963 | 31,169 | 64.99% |
| Wabash | 8,647 | 5,539 | 64.06% |
| Warren | 11,373 | 7,916 | 69.6% |
| Washington | 9,759 | 7,544 | 77.3% |
| Wayne | 12,148 | 8,372 | 68.92% |
| White | 10,690 | 7,392 | 69.15% |
| Whiteside | 37,759 | 25,875 | 68.53% |
| Will | 417,813 | 310,937 | 74.42% |
| Williamson | 45,930 | 32,193 | 70.09% |
| Winnebago | 175,630 | 121,296 | 69.06% |
| Woodford | 26,862 | 20,213 | 75.25% |
| 8,029,847 | 5,666,118 | 70.56% |
Federal elections
Presidential election
U.S. House
All of Illinois' 18 seats in the United States House of Representatives were up for election in 2016.The Democratic Party flipped one Republican-held seat, making the composition of Illinois' House delegation 11 Democrats and 7 Republicans.
U.S. Senate
State elections
Comptroller
State House of Representatives
Democrats retained the majority in the State House of Representatives.State Senate
Democrats retained the majority in the State Senate.Judicial elections
Judicial elections were held. These consisted of both partisan and retention elections, including those for seven seats in the Illinois Appellate Court.Ballot measures
Illinois voters voted a single ballot measure in 2016. In order to be approved, the measure required either 60% support among those specifically voting on the amendment or 50% support among all ballots cast in the elections.Illinois Transportation Taxes and Fees Lockbox Amendment
Illinois voters approved a legislatively referred constitutional amendment that would prohibit lawmakers from using transportation funds for anything other than their stated purpose. In order to be approved, the measure required either 60% support among those specifically voting on the amendment or 50% support among all ballots cast in the elections.The ballot title was,
The ballot summary read,
The measure added the following a Section 11 to Article IX of the Illinois Constitution which reads
Passage in the legislature
The amendment had been sponsored in the legislature by Democrat Brandon Phelps.Only four members of the Illinois House of Representatives voted against placing the amendment on the ballot. The four published an op-ed in which they argued, "Experience has demonstrated that unexpected events can have drastic impacts on our state budget. A major natural disaster or economic turmoil can blow huge holes in a budget, even in states in healthy financial condition - which Illinois is decidedly not. This amendment would severely curtail the ability of the state to react to these types of events."