The 11th United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C., from March 4, 1809, to March 4, 1811, during the first two years of James Madison's presidency. The apportionment of seats in the House of Representatives was based on the 1800 United States census. Both chambers had a Democratic-Republican majority.

Major events

Major legislation

Constitutional amendments

Party summary

The count below identifies party affiliations at the beginning of the first session of this congress. Changes resulting from subsequent replacements are shown below in the "Changes in membership" section.

Senate

House of Representatives

Leadership

Senate

House of Representatives

Members

This list is arranged by chamber, then by state. Senators are listed by class, and representatives are listed by district.

Senate

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. In this Congress, Class 1 meant their term began with this Congress, requiring re-election in 1814; Class 2 meant their term ended with this Congress, requiring re-election in 1810; and Class 3 meant their term began in the last Congress, requiring re-election in 1812.

Connecticut

Delaware

Georgia

Kentucky

Maryland

Massachusetts

New Hampshire

New Jersey

New York

North Carolina

Ohio

Pennsylvania

Rhode Island

South Carolina

Tennessee

Vermont

Virginia

[Senators' party membership by state at the opening of the 11th Congress in March 1809.

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House of Representatives

The names of members of the House of Representatives are preceded by their districts.

Connecticut

All representatives were elected statewide on a general ticket.

Delaware

Georgia

Kentucky

Maryland

The 5th district was a plural district with two representatives.

Massachusetts

New Hampshire

New Jersey

New York

There were two plural districts, the 2nd & 6th, each had two representatives.

North Carolina

Ohio

Pennsylvania

There were four plural districts, the 1st, 2nd, & 3rd had three representatives each, the 4th had two representatives.

Rhode Island

Both representatives were elected statewide on a general ticket.

South Carolina

Tennessee

Vermont

Virginia

Non-voting members

Changes in membership

The count below reflects changes from the beginning of the first session of this Congress.

Senate

There were 8 resignations, 2 deaths, 1 interim appointment, and 1 vacancy from before this Congress.

House of Representatives

Of the voting members, there were 12 resignations, 1 death, and 1 change due to a contested election.

Committees

Lists of committees and their party leaders.

Senate

House of Representatives

Joint committees

Employees

Legislative branch agency directors

Senate

House of Representatives