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| Turnout | 82.91% | |||
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Elections were held inIllinois on Tuesday, November 5, 1968.[1]
Primaries were held on June 11, 1968.[1]
In the primary, turnout was 28.84% with 1,573,173 ballots cast (833,498 Democrat and 739,675 Republican).[1][2][3]
In the general election, turnout was 82.91% with 4,705,852 ballots cast.[1]
Illinois voted for the Republicanticket ofRichard Nixon andSpiro Agnew.[1]
Incumbent SenatorEverett M. Dirksen, a Republican, won reelection to a fourth term.
All 24 Illinois seats in theUnited States House of Representatives were up for election in 1968.
No seats switched parties, leaving the Illinois House delegation to continue to consist of 12 Democrats and 12 Republicans.
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| Turnout | 79.39%[1] | ||||||||||||||||
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County Results Ogilvie: 40-50% 50-60% 60-70% 70-80% Shapiro: 40–50% 50–60% | |||||||||||||||||
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Incumbent DemocraticGovernorSamuel Shapiro lost reelection to RepublicanRichard B. Ogilvie.
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | Richard B. Ogilvie | 2,307,295 | 51.21 | |
| Democratic | Samuel H. Shapiro (incumbent) | 2,179,501 | 48.37 | |
| Socialist Labor | Edward C. Gross | 19,175 | 0.43 | |
| Write-in | Others | 29 | 0.00 | |
| Total votes | 4,506,000 | |||
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| Turnout | 76.96%[1] | ||||||||||||||||
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County results Simon: 50–60% 60–70% Dwyer: 50–60% 60–70% 70–80% | |||||||||||||||||
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DemocratPaul Simon was elected to serve aslieutenant governor.
This was the only time in Illinois history that the state had the elected a governor and a lieutenant governor from different political parties (there were, however, instances in Illinois where anappointed lieutenant governor had been of a different political party than the governor).
Due to changes implemented by the passage of the 1970Constitution of Illinois, in all subsequent elections, gubernatorial and lieutenant gubernatorial candidates have been jointly elected on aticket. Therefore, this was the last Illinois election held for the sole purpose of electing a lieutenant governor.
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Paul Simon | 600,369 | 100 | |
| Write-in | Others | 6 | 0.00 | |
| Total votes | 600,375 | 100 | ||
Robert A. Dwyer, an insurance executive fromWinnetka ran unopposed for the Republican nomination.[4]
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | Robert A. Dwyer | 534,882 | 100 | |
| Write-in | Others | 6 | 0.00 | |
| Total votes | 534,888 | 100 | ||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Paul Simon | 2,222,331 | 50.87 | |
| Republican | Robert A. Dwyer | 2,125,910 | 48.67 | |
| Socialist Labor | Stanley L. Prorok | 20,122 | 0.46 | |
| Write-in | Others | 2 | 0.00 | |
| Total votes | 4,368,365 | |||
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| Turnout | 79.79%[1] | ||||||||||||||||
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County results Scott: 50–60% 60–70% 70–80% Lorenz: 50–60% Tie: 40–50% | |||||||||||||||||
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Incumbentattorney generalWilliam G. Clark, a Democrat, did not seek a third term. RepublicanWilliam J. Scott was elected to succeed him.
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Francis S. Lorenz | 611,138 | 100 | |
| Write-in | Others | 14 | 0.00 | |
| Total votes | 611,152 | 100 | ||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | William J. Scott | 581,595 | 76.67 | |
| Write-in | Others | 1 | 0.00 | |
| Total votes | 581,595 | 100 | ||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | William J. Scott | 2,322,572 | 52.71 | |
| Democratic | Francis S. Lorenz | 2,065,984 | 46.89 | |
| Socialist Labor | George P. Milonas | 17,488 | 0.40 | |
| Write-in | Others | 2 | 0.00 | |
| Total votes | 4,528,836 | 100 | ||
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| Turnout | 78.81%[1] | ||||||||||||||||
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County results Powell: 50–60% 60–70% Carpentier: 40–50% 50–60% 60–70% | |||||||||||||||||
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IncumbentSecretary of StatePaul Powell, a Democrat, was reelected to a second term.
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Paul Powell (incumbent) | 617,231 | 100 | |
| Write-in | Others | 47 | 0.01 | |
| Total votes | 617,278 | 100 | ||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | Donald D. Carpentier | 502,497 | 76.67 | |
| Republican | Brian B. Duff | 153,017 | 23.34 | |
| Write-in | Others | 6 | 0.00 | |
| Total votes | 655,520 | 100 | ||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Paul T. Powell (incumbent) | 2,278,868 | 50.94 | |
| Republican | Donald D. Carpentier | 2,173,839 | 48.59 | |
| Socialist Labor | George LaForest | 20,664 | 0.46 | |
| Write-in | Others | 9 | 0.00 | |
| Total votes | 4,473,380 | 100 | ||
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| Turnout | 76.54%[1] | ||||||||||||||||
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IncumbentAuditor of Public AccountsMichael Howlett, a Democrat, was reelected to a third term.
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Michael J. Howlett (incumbent) | 591,297 | 100 | |
| Write-in | Others | 13 | 0.00 | |
| Total votes | 591,310 | 100 | ||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | William C. Harris | 272,742 | 46.26 | |
| Republican | Terrel E. Clarke | 183,855 | 31.19 | |
| Republican | Wesley W. "Wes" Olson | 132,932 | 22.55 | |
| Write-in | Others | 1 | 0.00 | |
| Total votes | 589,530 | 100 | ||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Michael J. Howlett (incumbent) | 2,215,401 | 50.99 | |
| Republican | William C. Harris | 2,106,676 | 48.49 | |
| Socialist Labor | Elizabeth Schnur | 22,591 | 0.52 | |
| Write-in | Others | 1 | 0.00 | |
| Total votes | 4,344,669 | 100 | ||
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| Turnout | 76.46%[1] | ||||||||||||||||
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The Clerk of theSupreme Court was Cleli Woods, who took office after the death in office ofFae Searcy earlier in 1968.
The 1970Constitution of Illinois made it so that the office would become an appointive office by 1975, thus rendering the 1968 election the last instance in which an election was held for this office.
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Fannie G. Jones | 565,289 | 100 | |
| Write-in | Others | 5 | 0.00 | |
| Total votes | 565,294 | 100 | ||
Incumbent Clerk of the Supreme CourtFae Searcy died in office on March 25, 1968. However, she had already filed to be on the ballot before her death.[5] Instead of being listed by her own name,Fae Searcy opted to be listed on the ballot as "Mrs.Earle Benjamin Searcy",[1][2] her legal name. She had succeeded her husband in the office after his own death. Mrs. Searcy remained on the ballot, and received 32 percent of the vote despite being dead. However,Justin Taft outperformed her, with 45.01 percent of the vote, winning the nomination.
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | Justin Taft | 264,959 | 45.01 | |
| Republican | Fae Searcy (deceased; was incumbent at time of death) | 188,635 | 32.04 | |
| Republican | Louise Emerson | 135,103 | 22.95 | |
| Write-in | Others | 5 | 0.00 | |
| Total votes | 588,702 | 100 | ||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | Justin Taft | 2,286,086 | 52.68 | |
| Democratic | Fannie G. Jones | 2,032,768 | 46.84 | |
| Socialist Labor | Gregory P. Lyngas | 21,117 | 0.49 | |
| Write-in | Others | 1 | 0.00 | |
| Total votes | 4,339,972 | 100 | ||
Seats of theIllinois Senate were up for election in 1968. Republicans retained control of the chamber.
Seats in theIllinois House of Representatives were up for election in 1968. Republicans retained control of the chamber.
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An election usingcumulative voting was held for three of nine seats for Trustees ofUniversity of Illinois system.
The election saw the reelection of incumbent third-term Republican Timothy W. Swain and incumbent second-term Republican member Earl M. Hughes and the election of new Republican member Russell W. "Ruck" Steger.[1][6]
Incumbent Democrat Kenney E. Williamson (appointed in 1967 after the death in office ofWayne A. Johnston) lost reelection.[1][6]
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | Timothy W. Swain (incumbent) | 2,246,505 | 17.49 | |
| Republican | Earl M. Hughes (incumbent) | 2,222,696 | 17.30 | |
| Republican | Russell W. Steger | 2,176,223 | 16.94 | |
| Democratic | Kenney E. Williamson (incumbent) | 2,063,859 | 16.06 | |
| Democratic | Timothy R. Ives | 2,043,974 | 15.91 | |
| Democratic | Frances Best Watkins | 2,003,652 | 15.60 | |
| Socialist Labor | Edwin L. Williams | 33,031 | 0.26 | |
| Socialist Labor | Henry Schilling | 31,399 | 0.24 | |
| Socialist Labor | Clarys L. Essex | 26,768 | 0.21 | |
| Write-in | Others | 2 | 0.00 | |
| Total votes | 12,848,109 | 100 | ||
Judicial elections were held, including two elections to fill vacancies on theIllinois Appellate Court.[1]
Three ballot measures were up for election in 1968, alegislatively referred state statute, abond measure, and a call for aconstitutional convention.[1]
In order to be approved, legislatively referred state statues required the support of a majority of those voting on the statute.[1] Bond measures needed a vote equal to majority of the votes cast for whichever chamber of the Illinois General Assembly had the highest cumulative vote count.[1] A call for a constitutional convention required votes equal to a majority of the all ballots cast in the general election.[1]
Illinois Banking Act was approved by voters as a legislatively referred state statue.[1] It enabled Illinois state banks to have foreign branches.[7]
| Candidate | Votes | % | |
|---|---|---|---|
| Yes | 1,776,492 | 61.95 | |
| No | 1,091,116 | 38.05 | |
| Total votes | 2,867,608 | 100 | |
| Turnout | {{{votes}}} | 50.52% | |

Illinois Natural Resources Development Bond Act, a legislatively referred bond question, failed to pass.[1][8] It proposed a $1 billion bond act for the development of natural resources.[8]
Bond measures needed a vote equal to majority of the votes cast for whichever chamber of the Illinois General Assembly had the highest cumulative vote count.[1] In this election, the highest turnout for a chamber's elections was 4,268,956, so the needed vote total for the measure to have pass would have been 2,134,479.[1]
| Illinois Natural Resources Development Bond Act[1][8] | |||
|---|---|---|---|
| Option | Votes | % of highest legislative vote cast | |
| Yes | 1,656,600 | 38.81 | |
| No | 1,216,814 | 28.50 | |
| Total votes | 2,873,414 | 67.31 | |
| Voter turnout | 50.62% | ||

In 1968, voters were presented with a referendum on whether to call aconstitutional convention.[9][10] This was the first such vote held in the State of Illinois since 1934.[10] That call failed. The chief sponsor of the legislation that created this ballot measure was Senate Republican leaderW. Russell Arrington.[11] Democratic GovernorOtto Kerner Jr. was supportive of holding a constitutional convention.[11]
The call for the convention required the votes of an equal majority of all ballots cast in the 1968 general elections.[1]
A constitutional convention was subsequently held, and the resultingConstitution of Illinois was approved by Illinois voters ina 1970 special election.[10]
| Proposed call for a Constitutional Convention[1][12] | |||
|---|---|---|---|
| Option | Votes | % of all ballots cast | |
| Yes | 2,979,972 | 63.33 | |
| No | 1,135,440 | 24.13 | |
| Total votes | 4,115,412 | 87.45 | |
| Voter turnout | 72.50% | ||

Local elections were held.