United States Senate elections, 1798 and 1799

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	Federalist	Democratic-Republican
Last election	21 seats	10 seats
Seats before	22	10
Seats won	5	6
Seats after	23	9
Seat change
Seats up	5	6

Majority party before election

Federalist

Elected Majority party

Federalist

The United States Senate elections of 1798 and 1799, occurred during the middle of President John Adams's administration and had no net change in political control of the Senate.

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

Senate Party Division, 6th Congress (1799–1801)

After the January 19, 1798 election in Delaware.

In these special elections, the winner was seated before March 4, 1799; ordered by election date.

In these general elections, the winner was seated on March 4, 1799; ordered by state.

All of the elections involved the Class 2 seats.

In this special election, the winner was seated after March 4, 1799, the beginning of the next Congress.

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