# List of new members of the 90th United States Congress

The 90th United States Congress began on January 3, 1967. There were four new senators (all Republicans) and 71 new representatives (13 Democrats, 58 Republicans) at the start of the first session. Additionally, five senators (one Democrat, four Republicans) and six representatives (four Democrats, two Republicans) took office on various dates in order to fill vacancies during the 90th Congress before it ended on January 3, 1969.
Due to redistricting in multiple states, eight representatives were elected from newly created seats.

## Senate
### Took office January 3, 1967

| State | Senator | Seniority | Switched party | Prior background | Birth year |
| Illinois | Charles H. Percy (R) | 2nd (97th overall) | Yes Defeated Paul Douglas (D) | President of Bell & Howell U.S. Navy Lieutenant | 1919 |
| Massachusetts | Edward Brooke (R) | 3rd (98th overall) | No Open seat; replaced Leverett Saltonstall (R) | Massachusetts Attorney General Chair of the Boston Finance Commission U.S. Army Captain | 1919 |
| Tennessee | Howard Baker (R) | 4th (99th overall) | Yes Replaced Ross Bass (D), who was defeated in a primary | Lawyer U.S. Navy | 1925 |
| Wyoming | Clifford Hansen (R) | 1st (96th overall) | No Open seat; replaced Milward Simpson (R) | Governor of Wyoming Teton County Commissioner University of Wyoming Board of Trustees | 1912 |

### Took office during the 90th Congress

| State | Senator | Took office | Switched party | Prior background | Birth year |
| Oregon | Mark Hatfield (R) | January 10, 1967 | Yes Open seat; replaced Maurine Neuberger (D) | Governor of Oregon Oregon Secretary of State U.S. Navy Lieutenant | 1922 |
| New York | Charles Goodell (R) | September 10, 1968 | Yes Appointed; replaced Robert F. Kennedy (D) | U.S. House of Representatives U.S. Air Force first lieutenant U.S. Navy seaman apprentice | 1926 |
| Kentucky | Marlow Cook (R) | December 17, 1968 | No Open seat; replaced Thruston Ballard Morton (R) | Jefferson County Judge Kentucky House of Representatives U.S. Navy | 1926 |
| Alaska | Ted Stevens (R) | December 24, 1968 | Yes Appointed; replaced Bob Bartlett (D) | Alaska House of Representatives U.S. Assistant Secretary of the Interior U.S. Attorney for Alaska Territory | 1923 |
| Missouri | Thomas Eagleton (D) | December 28, 1968 | No Defeated Edward V. Long (D) in a primary | Lieutenant Governor of Missouri Missouri Attorney General U.S. Navy | 1929 |

## House of Representatives
### Took office January 3, 1967

| District | Representative | Switched party | Prior background | Birth year |
| Alabama 4 | Bill Nichols (R) | Yes | State Senator | 1918 |
| Alabama 7 | Tom Bevill (D) | Yes | State Representative | 1921 |
| Alaska at-large | Howard Pollock (R) | Yes | State Senator | 1920 |
| Arizona 3 | Sam Steiger (R) | Yes | State Senator | 1929 |
| Arkansas 3 | John Paul Hammerschmidt (R) | Yes | State Party Chair | 1922 |
| California 18 | Bob Mathias (R) | Yes | Olympic decathlete | 1930 |
| California 25 | Charles E. Wiggins (R) | Yes | Mayor of El Monte | 1927 |
| California 33 | Jerry Pettis (R) | Yes | Businessman | 1916 |
| Colorado 2 | Donald G. Brotzman (R) | Yes | U.S. Representative | 1922 |
| Connecticut 6 | Thomas Meskill (R) | Yes | Mayor of New Britain | 1928 |
| Delaware at-large | William Roth (R) | Yes | State Party Chair | 1921 |
| Florida 10 | J. Herbert Burke (R) | New seat | County Commissioner | 1913 |
| Georgia 3 | Jack Brinkley (D) | Yes | State Representative | 1930 |
| Georgia 4 | Benjamin B. Blackburn (R) | Yes | U.S. Navy Lieutenant Commander | 1927 |
| Georgia 5 | Fletcher Thompson (R) | Yes | State Senator | 1925 |
| Georgia 8 | W. S. Stuckey Jr. (D) | No | Business executive | 1935 |
| Idaho 1 | Jim McClure (R) | Yes | State Senator | 1924 |
| Illinois 19 | Tom Railsback (R) | Yes | State Representative | 1932 |
| Indiana 7 | John T. Myers (R) | New seat | Farmer | 1927 |
| Indiana 8 | Roger H. Zion (R) | Yes | Businessman | 1921 |
| Iowa 1 | Fred Schwengel (R) | Yes | U.S. Representative | 1906 |
| Iowa 4 | John Henry Kyl (R) | Yes | U.S. Representative | 1919 |
| Iowa 6 | Wiley Mayne (R) | Yes | Lawyer | 1917 |
| Iowa 7 | William J. Scherle (R) | Yes | State Representative | 1923 |
| Kansas 3 | Larry Winn (R) | No | NAHB director | 1919 |
| Kentucky 3 | William Cowger (R) | Yes | Mayor of Louisville | 1922 |
| Kentucky 4 | Gene Snyder (R) | Yes | U.S. Representative | 1928 |
| Louisiana 6 | John Rarick (D) | No | District court judge | 1924 |
| Maine 1 | Peter Kyros (D) | Yes | Legal counsel | 1925 |
| Maryland 8 | Gilbert Gude (R) | New seat | State Senator | 1923 |
| Massachusetts 10 | Margaret Heckler (R) | No | Governor's Councilor | 1931 |
| Michigan 2 | Marvin L. Esch (R) | Yes | State Representative | 1927 |
| Michigan 3 | Garry E. Brown (R) | Yes | State Senate Minority Leader | 1923 |
| Michigan 7 | Donald Riegle (R) | Yes | Businessman | 1938 |
| Michigan 11 | Philip Ruppe (R) | Yes | U.S. Navy Lieutenant | 1926 |
| Michigan 19 | Jack H. McDonald (R) | Yes | County Commissioner | 1932 |
| Minnesota 6 | John M. Zwach (R) | Yes | State Senate Majority Leader | 1907 |
| Mississippi 4 | Sonny Montgomery (D) | Yes | State Senator | 1920 |
| Nebraska 1 | Robert V. Denney (R) | Yes | State Party Chair | 1916 |
| New Hampshire 1 | Louis C. Wyman (R) | Yes | U.S. Representative | 1917 |
| New Jersey 1 | John E. Hunt (R) | New seat | State Senator | 1908 |
| New Jersey 2 | Charles W. Sandman Jr. (R) | Yes | State Senator | 1921 |
| New York 11 | Frank J. Brasco (D) | No | Attorney | 1932 |
| New York 29 | Daniel E. Button (R) | Yes | Newspaper editor | 1917 |
| North Carolina 4 | Jim Gardner (R) | Yes | State Party Chair | 1933 |
| North Carolina 5 | Nick Galifianakis (D) | No | State Representative | 1928 |
| North Dakota 2 | Thomas S. Kleppe (R) | Yes | Mayor of Bismarck | 1919 |
| Ohio 1 | Robert Taft Jr. (R) | Yes | U.S. Representative | 1917 |
| Ohio 3 | Charles W. Whalen Jr. (R) | Yes | State Senator | 1920 |
| Ohio 10 | Clarence E. Miller (R) | Yes | Mayor of Lancaster | 1917 |
| Ohio 15 | Chalmers Wylie (R) | New seat | State Representative | 1920 |
| Ohio 24 | Buz Lukens (R) | Yes | Congressional staffer | 1931 |
| Oklahoma 6 | James Vernon Smith (R) | Yes | Farmer | 1926 |
| Oregon 4 | John R. Dellenback (R) | Yes | State Representative | 1918 |
| Pennsylvania 4 | Joshua Eilberg (D) | No | State Representative | 1921 |
| Pennsylvania 7 | Lawrence G. Williams (R) | New seat | Township Board President | 1913 |
| Pennsylvania 8 | Edward G. Biester Jr. (R) | No | Assistant district attorney | 1931 |
| Pennsylvania 16 | Edwin D. Eshleman (R) | No | State Representative | 1920 |
| Pennsylvania 19 | George A. Goodling (R) | Yes | U.S. Representative | 1896 |
| Tennessee 7 | Ray Blanton (D) | No | State Representative | 1930 |
| Tennessee 9 | Dan Kuykendall (R) | Yes | Business executive | 1924 |
| Texas 7 | George H. W. Bush (R) | New seat | Oil business founder | 1924 |
| Texas 8 | Bob Eckhardt (D) | No | State Representative | 1913 |
| Texas 18 | Bob Price (R) | Yes | U.S. Air Force veteran | 1927 |
| Texas 23 | Abraham Kazen (D) | New seat | State Senator | 1919 |
| Utah 2 | Sherman P. Lloyd (R) | Yes | U.S. Representative | 1914 |
| Virginia 8 | William L. Scott (R) | Yes | DOJ attorney | 1915 |
| Virginia 9 | William C. Wampler (R) | Yes | U.S. Representative | 1926 |
| Wisconsin 1 | Henry C. Schadeberg (R) | Yes | U.S. Representative | 1913 |
| Wisconsin 6 | William A. Steiger (R) | Yes | State Assemblyman | 1938 |
| Wyoming at-large | William Henry Harrison III (R) | Yes | U.S. Representative | 1896 |

### Took office during the 90th Congress

| District | Representative | Took office | Switched party | Prior background | Birth year |
| Rhode Island 2 | Robert Tiernan (D) | March 28, 1967 | No | State Senator | 1929 |
| California 11 | Pete McCloskey (R) | December 12, 1967 | No | Deputy district attorney | 1927 |
| New York 13 | Bertram L. Podell (D) | February 20, 1968 | No | State Assemblyman | 1925 |
| Mississippi 3 | Charles H. Griffin (D) | March 12, 1968 | No | Congressional aide | 1926 |
| Texas 3 | James M. Collins (R) | August 24, 1968 | Yes | Business executive | 1916 |
| Pennsylvania 20 | Joseph M. Gaydos (D) | November 5, 1968 | No | State Senator | 1926 |