29th United States Congress

The apportionment of seats in the House of Representatives was based on the 1840 United States census.

During this congress, two Senate seats were added for each of the new states of Texas and Iowa.

During this congress, two House seats were added for each of the new states of Texas and Iowa.

Senators were elected by the state legislatures every two years, with one-third beginning new six-year terms with each Congress.

Preceding the names in the list below are Senate class numbers, which indicate the cycle of their election.

President of the Senate
George M. Dallas (D)
Senators' party membership by state at the opening of the 29th Congress in March 1845. The senators from Florida and Texas were not seated until later in the Congress.
2 Democrats
1 Democrat and 1 Whig
2 Whigs
Speaker John W: Davis
House seats by party holding plurality in state
80+% to 100% Democratic
Up to 60% Whig
60+% to 80% Democratic
60+% to 80% Whig
Up to 60% Democratic
80+% to 100% Whig