United States Senate elections in Kansas, 1861

United States Senate elections, 1860 and 1861

Various dates

22 of the 66 seats in the United States Senate (with special elections)
34 seats needed for a majority

	Majority party	Minority party

Party	Democratic	Republican
Last election	38 seats	25 seats
Seats before	38	26
Seats won	30	29
Seat change	8	3
Seats up	14	7

	Third party

Party	Know Nothing
Last election	2 seats
Seats before	2
Seats won	1
Seat change	1
Seats up	1

Majority Party before election

Democratic Party

Elected Majority Party

Democratic Party

The United States Senate elections of 1860 and 1861 were elections corresponding with Abraham Lincoln's election to the presidency. The nascent Republican Party increased their Senate seats in the general elections, and after southern Democrats withdrew to join the Confederacy, Republicans gained control of the United States Senate. To establish a quorum with fewer members, a lower total seat number was taken into account.

As this election was prior to ratification of the seventeenth Amendment, Senators were chosen by State legislatures.

Senate Party Division, 37th Congress (1861–1863)

After the October 2, 1860 special election in Oregon.

In these special elections, the winners were seated during 1860 or in 1861 before March 4; ordered by election date.

In these general elections, the winners were elected for the term beginning March 4, 1861; ordered by state.

All of the elections involved the Class 3 seats.

In these elections, the winners were elected in 1861 after March 4.

The New York election was held February 5, 1861.

Whig William H. Seward had been re-elected in February 1855 to this seat, had become a Republican upon the foundation of that party in September 1855, and his term would expire on March 3, 1861. Seward did not seek re-election, instead being certain to be appointed to an office in the incoming Lincoln administration.

At the State election in November 1859, 23 Republicans and 9 Democrats were elected for a two-year term (1860-1861) in the State Senate. At the State election in November 1860, 93 Republicans and 35 Democrats were elected to the Assembly for the session of 1861. The 84th New York State Legislature met from January 1 to April 16, 1861, at Albany, New York.

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