The 1930 United States Senate elections occurred in the middle of

Republican Republican can refer to: Political ideology * An advocate of a republic, a type of government that is not a monarchy or dictatorship, and is usually associated with the rule of law. ** Republicanism, the ideology in support of republics or agains ...

President

Herbert Hoover Herbert Clark Hoover (August 10, 1874 – October 20, 1964) was an American politician who served as the 31st president of the United States from 1929 to 1933 and a member of the Republican Party, holding office during the onset of the Gre ...

's term. With the

Great Depression The Great Depression (19291939) was an economic shock that impacted most countries across the world. It was a period of economic depression that became evident after a major fall in stock prices in the United States. The economic contagio ...

beginning to take hold, Republican incumbents became unpopular, and Democrats picked up a net of eight seats, erasing the Republican gains from the previous election cycle. Republicans retained control of the U.S. Senate since Vice President

Charles Curtis Charles Curtis (January 25, 1860 – February 8, 1936) was an American attorney and Republican politician from Kansas who served as the 31st vice president of the United States from 1929 to 1933 under Herbert Hoover. He had served as the Sena ...

cast the tie-breaking vote. This was the first of four consecutive Senate elections during the Depression in which Democrats made enormous gains, achieving a cumulative pick-up of 34 seats. In

Louisiana Louisiana , group=pronunciation (French: ''La Louisiane'') is a state in the Deep South and South Central regions of the United States. It is the 20th-smallest by area and the 25th most populous of the 50 U.S. states. Louisiana is bord ...

, Democratic senator-elect

Huey Long Huey Pierce Long Jr. (August 30, 1893September 10, 1935), nicknamed "the Kingfish", was an American politician who served as the 40th governor of Louisiana from 1928 to 1932 and as a United States senator from 1932 until his assassination ...

chose not to take his Senate seat until January 25, 1932 so he could remain as

Governor of Louisiana A governor is an administrative leader and head of a polity or political region, ranking under the head of state and in some cases, such as governors-general, as the head of state's official representative. Depending on the type of political ...

. The Republicans therefore retained the plurality of seats at the beginning of the next Congress. With Vice President

(R) able to cast tie-breaking votes, the Republicans would have majority control with their 48 of the 96 seats. That slim control was further weakened in the last months of the next Congress with several mid-term seat changes. In Minnesota,

Henrik Shipstead Henrik Shipstead (January 8, 1881June 26, 1960) was an American politician. He served in the United States Senate from 1923 to 1947, from the state of Minnesota. He served first as a member of the Minnesota Farmer-Labor Party from 1923 to 1941 an ...

was not up for election in 1930. He was a former Republican who became a Farmer–Laborite in

1922 Events January * January 7 – Dáil Éireann (Irish Republic), Dáil Éireann, the parliament of the Irish Republic, ratifies the Anglo-Irish Treaty by 64–57 votes. * January 10 – Arthur Griffith is elected President of Dáil Éirean ...

. Although the Farmer–Laborites would later merge with the

Minnesota Democratic Party The Minnesota Democratic Party was a political party in Minnesota that existed from the formation of Minnesota Territory in 1849 until 1944, when the party merged with the Minnesota Farmer-Labor Party to form the modern Minnesota Democratic-Far ...

to form the Democratic–Farmer–Labor Party in 1944, Shipstead and his contemporaries were not aligned with either major party. He would later rejoin the party in

1940 A calendar from 1940 according to the Gregorian calendar, factoring in the dates of Easter and related holidays, cannot be used again until the year 5280. Events Below, the events of World War II have the "WWII" prefix. January * Januar ...

Gains and losses

The Republicans only gained one seat by defeating incumbent Daniel F. Steck (D-IA). The Democrats took open seats in

Colorado Colorado (, other variants) is a state in the Mountain West subregion of the Western United States. It encompasses most of the Southern Rocky Mountains, as well as the northeastern portion of the Colorado Plateau and the western edge of the ...

Illinois Illinois ( ) is a state in the Midwestern United States. Its largest metropolitan areas include the Chicago metropolitan area, and the Metro East section, of Greater St. Louis. Other smaller metropolitan areas include, Peoria and Rock ...

Massachusetts Massachusetts (Massachusett: ''Muhsachuweesut Massachusett_writing_systems.html" ;"title="nowiki/> məhswatʃəwiːsət.html" ;"title="Massachusett writing systems">məhswatʃəwiːsət">Massachusett writing systems">məhswatʃəwiːsət'' En ...

, and

West Virginia West Virginia is a state in the Appalachian, Mid-Atlantic and Southeastern regions of the United States.The Census Bureau and the Association of American Geographers classify West Virginia as part of the Southern United States while the ...

, and defeated five incumbents: * Henry J. Allen (R-KS) *

John M. Robsion John Marshall Robsion (January 2, 1873February 17, 1948), a Republican, represented Kentucky in both the United States Senate and the United States House of Representatives. Robsion was born in Berlin, Kentucky. He attended National Northern ...

(R-KY) * Roscoe C. McCulloch (R-OH) * William B. Pine (R-OK) *

William H. McMaster William Henry McMaster (May 10, 1877September 14, 1968) was an American Republican politician who served as the tenth Governor of South Dakota, serving from 1921 until 1925. He also served as a member of the United States Senate from South Dako ...

(R-SD)

Change in composition

Before the elections

After the elections

Race summary

Special elections during the 71st Congress

In these special elections, the winner were seated during 1930; ordered by election date (then by state).

Elections leading to the 72nd Congress

In these general elections, the winners were elected for the term beginning March 4, 1931; ordered by state. All of the elections involved the Class 2 seats.

Alabama

Arkansas

Colorado

Delaware

Interim appointee Daniel O. Hastings was elected both to finish the current term and to the next term on the same November 4 ballot.

Delaware (Regular)

Delaware (Special)

Georgia

Idaho

Illinois

Iowa

Kansas

Kansas (Regular)

Kansas (Special)

Kentucky

Kentucky (Regular)

Kentucky (Special)

Louisiana

Maine

Massachusetts

Michigan

Minnesota

Mississippi

Montana

Nebraska

New Hampshire

New Jersey

New Jersey (Regular)

New Jersey (Special)

New Mexico

North Carolina

Ohio (Special)

Oklahoma

Oregon

Pennsylvania (Special)

Rhode Island

Incumbent Republican Senator Jesse H. Metcalf successfully sought reelection to a 2nd term in office. , this is the last time a Republican has won the Class 2 Senate seat in Rhode Island, and it would be the last time a Republican would win any Senate seat in the state at all until

John Chafee John Lester Hubbard Chafee ( ; October 22, 1922 – October 24, 1999) was an American politician and officer in the United States Marine Corps. A member of the Republican Party (United States), he served as the 66th Governor of Rhode Island, as ...

1976 Events January * January 3 – The International Covenant on Economic, Social and Cultural Rights enters into force. * January 5 – The Pol Pot regime proclaims a new constitution for Democratic Kampuchea. * January 11 – The 1976 ...

South Carolina

South Dakota

Tennessee

One-term Democrat Lawrence D. Tyson died August 24, 1929 and Democrat

William Emerson Brock William Emerson Brock (March 14, 1872August 5, 1950) was a Democratic United States Senator from Tennessee from 1929 to 1931. Life and career Brock was born in Davie County, North Carolina, the son of Mary Ann (Howell) and Richard Emerson Broc ...

was appointed September 2, 1929 to continue the term, pending a special election.

Tennessee (Special)

Interim Democrat

easily won election to finish the term.

Tennessee (Regular)

was not a candidate to the next term, instead choosing to return to his Chattanooga candy manufacturing business. Instead, former Democratic congressman

Cordell Hull Cordell Hull (October 2, 1871July 23, 1955) was an American politician from Tennessee and the longest-serving U.S. Secretary of State, holding the position for 11 years (1933–1944) in the administration of President Franklin Delano Roosevelt ...

was swept into the seat. Hull was appointed

United States Secretary of State The United States secretary of state is a member of the executive branch of the federal government of the United States and the head of the U.S. Department of State. The office holder is one of the highest ranking members of the president's Ca ...

and served there for 11 years, and in 1945, he was awarded the

Nobel Peace Prize The Nobel Peace Prize is one of the five Nobel Prizes established by the will of Swedish industrialist, inventor and armaments (military weapons and equipment) manufacturer Alfred Nobel, along with the prizes in Chemistry, Physics, Physiolo ...

for "co-initiating the

United Nations The United Nations (UN) is an intergovernmental organization whose stated purposes are to maintain international peace and security, develop friendly relations among nations, achieve international cooperation, and be a centre for harmoni ...

Texas

Virginia

West Virginia

Wyoming

Six-term Republican Francis E. Warren had died November 24, 1929 and Republican Patrick J. Sullivan was appointed to continue the term, pending a special election in which he was not a candidate.