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| Turnout | 67.72% | |||
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Elections were held inIllinois on Tuesday, November 4, 1958.[1]
Primaries were held April 8, 1958.[1]
1958 was amidterm election year in the United States.
In the primary election, 1,594,388 ballots were cast (831,502 Democratic and 762,886 Republican).[1]
In the general election, turnout was 67.72% with 3,427,278 ballots cast.[1][2]
All 25 Illinois seats in theUnited States House of Representatives were up for election in 1958.
Democrats flipped three Republican-held seats, leaving the Illinois House delegation to consist of 14 Democrats and 11 Republicans.
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| Turnout | 63.98%[1][2] | ||||||||||||||||
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County results Lohman: 50–60% 60–70% Wright: 50–60% 60–70% 70–80% | |||||||||||||||||
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IncumbentTreasurer, RepublicanElmer J. Hoffman, did not seek reelection, instead running successfully forIllinois's 14th congressional district. DemocratJoseph D. Lohman was elected to succeed him, defeating former two-term Illinois Treasurer, RepublicanWarren Wright.
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Joseph D. Lohman | 650,222 | 100 | |
| Write-in | Others | 4 | 0.00 | |
| Total votes | 650,226 | 100 | ||
Former treasurerWarren Wright won the Republican primary, defeating State RepresentativeLouis E. Beckman Jr.
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | Warren E. Wright | 373,876 | 56.58 | |
| Republican | Louis E. Beckman | 286,893 | 43.42 | |
| Write-in | Others | 3 | 0.00 | |
| Total votes | 660,772 | 100 | ||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Joseph D. Lohman | 1,688,809 | 52.16 | |
| Republican | Warren E. Wright | 1,548,902 | 47.84 | |
| Total votes | 3,237,711 | 100 | ||
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| Turnout | 70.87%[1][2] | ||||||||||||||||
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County results Wilkins: 50–60% 60–70% 70–80% Smith: 50–60% 60–70% 70–80% | |||||||||||||||||
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IncumbentSuperintendent of Public InstructionVernon L. Nickell, a fourth-term Republican, did not seek reelection. DemocratGeorge T. Wilkins was elected to succeed him.
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | George T. Wilkins | 615,058 | 100 | |
| Write-in | Others | 1 | 0.00 | |
| Total votes | 615,059 | 100 | ||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | Gerald W. Smith | 483,027 | 78.94 | |
| Republican | Lar "America First" Daly | 128,861 | 21.06 | |
| Write-in | Others | 6 | 0.00 | |
| Total votes | 611,894 | 100 | ||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | George T. Wilkins | 1,685,877 | 53.30 | |
| Republican | Gerald W. Smith | 1,477,332 | 46.70 | |
| Total votes | 3,163,209 | 100 | ||
Seats in theIllinois Senate were up for election in 1958. Republicans retained control of the chamber.
Seats in theIllinois House of Representatives were up for election in 1958. Democrats flipped control of the chamber.
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An election was held for three of nine seats for Trustees ofUniversity of Illinois.
The election saw the reelection of one-term member former memberHarold Pogue and the election of new Democratic members Howard W. Clement, Richard A. Harewood.[1][3]
The election saw third-term incumbent Republican Park Livingston, second term Republican incumbent Doris Simpson Holt and first-term incumbent Republican Cushman B. Bissell lose reelection.[1][3]
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Harold Pogue | 1,718,370 | 18.32 | |
| Democratic | Howard W. Clement | 1,671,895 | 17.82 | |
| Democratic | Richard A. Harewood | 1,653,654 | 17.63 | |
| Republican | Park Livingston (incumbent) | 1,487,954.5 | 15.86 | |
| Republican | Cushman B. Bissell (incumbent) | 1,448,903 | 15.45 | |
| Republican | Doris Simpson Holt (incumbent) | 1,400,456.5 | 14.93 | |
| Total votes | 9,381,233 | 100 | ||
On June 8, 1958, theSuperior Court of Cook County held three regular elections and twospecial elections.[1] On September 2, 1958, a special election was held for a vacant seat on the 12th Judicial Circuit.[1]
Three ballot measures were put before voters in 1958. One was alegislatively referred state statutes and two werelegislatively referred constitutional amendments.[4]
In order to be approved, legislatively referred state statues required the support of a majority of those voting on the statute.[1] In order to be placed on the ballot, proposed legislatively referred constitutional amendments needed to be approved by two-thirds of each house of theIllinois General Assembly.[5] In order to be approved, they required approval of either two-thirds of those voting on the amendment itself or a majority of all ballots cast in the general elections.[1]
The County Officers Re-election Amendment, a legislatively referred constitutional amendment which would amend Article VI of the 1870Constitution of Illinois, failed to meet either threshold for approval. The amendment would have permitted countysheriffs and treasurers to be elected to successive terms.[6]
In order for constitutional amendments to be passed by voters, they required either two-thirds support among those specifically voting on the measure or 50% support among all ballots cast in the elections.[7]
| County Officers Re-election Amendment[1][2][6] | |||
|---|---|---|---|
| Option | Votes | % of votes on measure | % of all ballots cast |
| Yes | 1,420,011 | 56.36 | 41.43 |
| No | 1,099,475 | 43.64 | 32.08 |
| Total votes | 2,519,486 | 100 | 73.51 |
| Voter turnout | 49.79% | ||

Illinois General Banking Law Amendment was approved by voters as a legislatively referred state statute. It made modified the state's banking law.[8]
| Candidate | Votes | % | |
|---|---|---|---|
| Yes | 755,622 | 65.83 | |
| No | 392,260 | 34.17 | |
| Total votes | 1,147,882 | 100 | |
| Turnout | {{{votes}}} | 22.68% | |

The Judicial Amendment, a legislatively referred constitutional amendment which would amend Article VI of the 1870Constitution of Illinois, failed to meet either threshold for approval.[1] Changes the amendment would have made included giving broad powers to theSupreme Court of Illinois and creating anappellate court.[9]
In order for constitutional amendments to be passed by voters, they required either two-thirds support among those specifically voting on the measure or 50% support among all ballots cast in the elections.[7][10]
| Judicial Amendment[1][2] | |||
|---|---|---|---|
| Option | Votes | % of votes on measure | % of all ballots cast |
| Yes | 1,589,655 | 64.02 | 46.38 |
| No | 893,503 | 35.98 | 26.07 |
| Total votes | 2,483,158 | 100 | 72.45 |
| Voter turnout | 49.07% | ||

Local elections were held.