United States Senate elections, 1802 and 1803

Dates vary by state

11 of the 32 seats in the United States Senate (plus special elections) 17 seats needed for a majority

	Majority party	Minority party

Party	Democratic-Republican	Federalist
Last election	15 seats	17 seats
Seats before	17	15
Seats won	7	3
Seats after	22	9
Seat change	5	6
Seats up	2	9

Majority party before election

Democratic-Republican

Elected Majority party

Democratic-Republican

The United States Senate elections of 1802 and 1803 were elections for the United States Senate which had the Democratic-Republican Party assume an overwhelming control thereof.

As these election were prior to ratification of the seventeenth amendment, Senators were chosen by State legislatures.

In these special elections, the winner was seated before March 4, 1803; ordered by election date.

In these general elections, the winner was seated on March 4, 1803; ordered by state.

All of the elections involved the Class 1 seats.

In this special election, the winner was seated in 1803 some time after March 4.