The 1802 United States elections occurred in the middle of Democratic-Republican President Thomas Jefferson's first term, during the First Party System. Members of the 8th United States Congress were chosen in this election. Democratic-Republicans picked up several seats in both chambers of Congress, solidifying their control over the House and Senate.
In the House, 36 seats were added following the 1800 census. Democratic-Republicans picked up a large number of seats, increasing their majority.
In the Senate, Democratic-Republicans won major gains, increasing their previously-narrow majority.
References
United States elections, 1802 Wikipedia(Text) CC BY-SA