1964 United States Senate election in Maryland

The 1964 United States Senate election in Maryland was held on November 3, 1964.

Incumbent Republican Senator James Glenn Beall ran for re-election to a third term, but was defeated by Democratic former State Representative Joseph D. Tydings in a landslide.

Tydings was the adopted son of former Senator Millard Tydings.

Candidates

 * William A. Albaugh
 * James Glenn Beall, incumbent senator
 * James P. Gleason, candidate for Senate in 1962 and former assistant to Senators Richard Nixon and William F. Knowland
 * Henry J. Lague, Jr., perennial candidate

Candidates

 * Morgan L. Amiamo, perennial candidate
 * Louis L. Goldstein, Maryland Comptroller
 * John J. Harbaugh
 * Joseph D. Tydings, former State Representative and son of former Senator Millard Tydings

Counties that flipped from Republican to Democratic

 * Anne Arundel
 * Baltimore (County)
 * Baltimore (City)
 * Caroline
 * Cecil
 * Charles
 * Frederick
 * Harford
 * Howard
 * Kent
 * Montgomery
 * Talbot
 * Washington
 * Wicomico

Counties that flipped from Democratic to Republican

 * Dorchester
 * Somerset
 * Worcester