United States Senate elections in Idaho, 1890

United States Senate elections, 1890 and 1891

Dates vary by state

28 of the 76 seats in the U.S. Senate
(as well as special elections)
43 seats needed for a majority

	Majority party	Minority party

Party	Republican	Democratic
Seats before	47	37
Seats won	12	14
Seats after	43	39
Seat change	4	2
Seats up	16	12

	Third party	Fourth party

Party	Populist	Independent
Seats before	0	0
Seats won	1	1
Seats after	1	1
Seat change	1	1
Seats up	0	0

Majority Party before election

Republican

Elected Majority Party

Republican

The United States Senate elections of 1890 and 1891 were elections in which the Republican Party lost four seats in the United States Senate, though still retaining a slim majority. That majority was increased, however, upon the admission of two more states with Republican senators.

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

Senate Party Division, 52nd Congress (1891–1893)

After the admission of Montana's new senators in January 1890.

In these elections, the winners were seated during 1890 or in 1891 before March 4; ordered by election date.

In these general elections, the winners were elected for the term beginning March 4, 1891; ordered by state.

All of the elections involved the Class 3 seats.

In these elections, the winners were elected in 1891 after March 4; ordered by election date.

In July 1890, Idaho became a state. In November, Fred Dubois helped engineer a plan for the Idaho Legislature to effectively elect three people to the U.S. Senate: Governor George Shoup to the Class 2 seat up for election in 1894, state constitutional convention member William J. McConnell to serve for the remainder of the Fifty-first United States Congress, ending in March 1891, and Dubois himself to succeed McConnell and serve a full six-year term in the Class 3 seat beginning in March 1891.

The New York election was held January 20 and 21, 1891, by the New York State Legislature.

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