| State |
Incumbent |
Party |
Result |
Other candidates |
| Alabama |
John Sparkman |
Democratic |
Re-elected |
John Sparkman (D), 82.5%
J. Foy Guin, Jr. (R), 17.5% |
| Arkansas |
John L. McClellan |
Democratic |
Re-elected |
John L. McClellan (D), unopposed |
California
Class 3: Special |
Thomas Kuchel,
(appointee) |
Republican |
Elected to full term |
Thomas Kuchel (R), 53.2%
Samuel W. Yorty (D), 45.5%
Isobel M. Cerney (Independent-Progressive), 1.2% |
| Colorado |
Edwin C. Johnson |
Democratic |
Retired
Republican gain |
Gordon Allott (R), 51.3%
John A. Carroll (D), 48.7% |
| Delaware |
J. Allen Frear, Jr. |
Democratic |
Re-elected |
J. Allen Frear, Jr. (D), 56.9%
Herbert B. Warburton (R), 43.1% |
| Georgia |
Richard Russell, Jr. |
Democratic |
Re-elected |
Richard Russell, Jr. (D), unopposed |
| Idaho |
Henry C. Dworshak |
Republican |
Re-elected |
Henry C. Dworshak (R), 62.8%
Glen H. Taylor (D), 37.2% |
| Illinois |
Paul Douglas |
Democratic |
Re-elected |
Paul Douglas (D), 53.6%
Joseph T. Meek (R), 46.4% |
| Iowa |
Guy M. Gillette |
Democratic |
Lost re-election
Republican gain |
Thomas E. Martin (R), 52.2%
Guy M. Gillette (D), 47.5%
Ernest Seemann (Republicsons), 0.3% |
| Kansas |
Andrew F. Schoeppel |
Republican |
Re-elected |
Andrew F. Schoeppel (R), 56.3%
George McGill (D), 41.8%
David C. White (Prohibition), 1.8% |
| Kentucky |
John S. Cooper |
Republican |
Lost re-election
Democratic gain |
Alben W. Barkley (D), 54.5%
John S. Cooper (R), 45.5% |
| Louisiana |
Allen J. Ellender |
Democratic |
Re-elected |
Allen J. Ellender (D), unopposed |
| Maine |
Margaret C. Smith |
Republican |
Re-elected |
Margaret C. Smith (R), 58.6%
Paul A. Fullam (D), 41.4% |
| Massachusetts |
Leverett Saltonstall |
Republican |
Re-elected |
Leverett Saltonstall (R), 50.5%
Foster Furcolo (D), 49.0% |
| Michigan |
Homer Ferguson |
Republican |
Lost re-election
Democratic gain |
Patrick V. McNamara (D), 50.8%
Homer Ferguson (R), 48.9% |
| Minnesota |
Hubert Humphrey |
Democratic |
Re-elected |
Hubert Humphrey (D), 56.4%
Val Bjornson (R), 42.1% |
| Mississippi |
James O. Eastland |
Democratic |
Re-elected |
James O. Eastland (D), unopposed |
| Montana |
James E. Murray |
Democratic |
Re-elected |
James E. Murray (D), 50.4%
Wesley A. D'Ewart (R), 49.6% |
Nebraska
Class 1: Special |
Samuel W. Reynolds,
(appointee) |
Republican |
Appointee retired
Republican hold |
Roman L. Hruska (R), 60.9%
James F. Green (D), 39.1% |
Nebraska
Class 2 |
Hazel H. Abel |
Republican |
Retired
Republican hold |
Carl T. Curtis (R), 61.1%
Keith Neville (D), 38.9% |
Nevada
Class 3: Special |
Ernest S. Brown,
(appointee) |
Republican |
Lost election to full term
Democratic gain |
Alan Bible (D), 58.1%
Ernest S. Brown (R), 41.9% |
New Hampshire
Class 2 |
Styles Bridges |
Republican |
Re-elected |
Styles Bridges (R), 60.2%
Gerard L. Morin (D), 39.8% |
New Hampshire
Class 3: Special |
Robert W. Upton,
(appointee) |
Republican |
Lost nomination to full term
Republican hold |
Norris Cotton (R), 60.2%
Stanley J. Betley (D), 39.8% |
| New Jersey |
Robert C. Hendrickson |
Republican |
Retired
Republican hold |
Clifford P. Case (R), 48.7%
Charles R. Howell (D), 48.5% |
| New Mexico |
Clinton P. Anderson |
Democratic |
Re-elected |
Clinton P. Anderson (D), 57.3%
Edwin L. Mechem (R), 42.7% |
North Carolina
Class 2 |
Alton Asa Lennon |
Democratic |
Lost renomination
Democratic hold |
William Kerr Scott (D), 65.9%
Paul C. West (R), 34.1% |
North Carolina
Class 3: Special |
Sam Ervin,
(appointee) |
Democratic |
Elected to full term |
Sam Ervin (D), unopposed |
Ohio
Class 3: Special |
Thomas A. Burke,
(appointee) |
Democratic |
Lost election to full term
Republican gain |
Thomas A. Burke (D), 50.1%
George H. Bender (R), 49.9% |
| Oklahoma |
Robert S. Kerr |
Democratic |
Re-elected |
Robert S. Kerr (D), 55.8%
Fred M. Mock (R), 43.7%
George V. Fried (Independent), 0.3%
George H. Brasier (Independent), 0.2% |
| Oregon |
Guy Cordon |
Republican |
Lost re-election
Democratic gain |
Richard L. Neuberger (D), 50.2%
Guy Cordon (R), 49.8% |
| Rhode Island |
Theodore F. Green |
Democratic |
Re-elected |
Theodore F. Green (D), 59.3%
Walter I. Sundlun (R), 40.7% |
| South Carolina |
Charles E. Daniel,
(appointee) |
Democratic |
Appointee retired
Democratic hold |
Strom Thurmond (ID), 63.1%, write-in
Edgar A. Brown (D), 36.8% |
| South Dakota |
Karl E. Mundt |
Republican |
Re-elected |
Karl E. Mundt (R), 57.3%
Kenneth Holum (D), 42.7% |
| Tennessee |
Estes Kefauver |
Democratic |
Re-elected |
Estes Kefauver (D), 70.0%
Tom Wall (R), 30.0% |
| Texas |
Lyndon B. Johnson |
Democratic |
Re-elected |
Lyndon B. Johnson (D), 84.6%
Carlos G. Watson (R), 14.9%
Fred Spangler (Constitution Party), 0.5% |
| Virginia |
A. Willis Robertson |
Democratic |
Re-elected |
A. Willis Robertson (D), 79.9%
Charles W. Lewis, Jr. (Independent-Democrat), 10.7%
Clarke T. Robb (Virginia Social Democrat), 9.4% |
| West Virginia |
Matthew M. Neely |
Democratic |
Re-elected |
Matthew M. Neely (D), 54.8%
Thomas Sweeney (R), 45.2% |
| Wyoming |
Edward D. Crippa |
Republican |
Retired
Democratic gain |
Joseph C. O'Mahoney (D), 51.5%
William H. Harrison (R), 48.5% |