United States Senate elections, 1910 and 1911

← 1908 / 1909

January 18, 1910 –
March 2, 1911

1912 / 1913 →

30 of the 92 seats in the United States Senate
47 seats needed for a majority

	Majority party	Minority party

Leader	Shelby Moore Cullom (Conference Chairman)	Thomas S. Martin (Conference Chairman)
Party	Republican	Democratic
Leader's seat	Illinois	Virginia
Seats before	59	33
Seats won	15	13
Seats after	50	40
Seat change	9	7
Seats up	24	6

Majority conference chairman before election

Eugene Hale
Republican

Elected Majority conference chairman

Shelby Moore Cullom
Republican

Eugene Hale
Republican

Shelby Moore Cullom
Republican

The United States Senate elections of 1910 and 1911, some states elected their Senators directly even before passage of the 17th Amendment in 1913. Oregon pioneered direct election and experimented with different measures over several years until it succeeded in 1907. Soon after, Nebraska followed suit and laid the foundation for other states to adopt measures reflecting the people's will. By 1912, as many as 29 states elected senators either as nominees of their party's primary or in conjunction with a general election.

Senate Party Division, 62nd Congress (1911–1913):

Four seats were added in early 1912 for new states: Arizona (which elected 2 Democrats) and New Mexico (which elected 2 Republicans).

At the beginning of 1910.

In these elections, the winners were seated during 1910 or in 1911 before March 4; ordered by election date.

In this election, the winner were seated in the 63rd Congress, starting March 4, 1913.

In these general elections, the winners were elected for the term beginning March 4, 1911; ordered by state.

All of the elections involved the Class 1 seats.

In these elections, the winners were elected in 1911 after March 4; ordered by date.

Republican incumbent Frank P. Flint, who had been elected in 1905, retired. Republican John D. Works received a plurality of votes cast at a Republican state primary. Republican Albert Spalding, however, carried a majority of the legislative districts represented by Republicans. In the legislature, Works was elected January 10, 1911 with 92 votes over Spalding's 21 votes, and a scattering of votes for various Democrats.

Republican incumbent Morgan Bulkeley, who had been elected in 1905, lost renomination in a Republican legislative caucus 113–64 to George P. McLean. McLean was then elected January 17, 1911, with 177 votes to Democrat Homer Stille Cummings's 110 votes.

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