| 11th United States Congress | |
|---|---|
10th ← → 12th | |
 United States Capitol (1800) | |
March 4, 1809 – March 4, 1811 | |
| Members | 34 senators 142 representatives 3 non-voting delegates |
| Senate majority | Democratic-Republican |
| Senate President | George Clinton (DR) |
| House majority | Democratic-Republican |
| House Speaker | Joseph Bradley Varnum (DR) |
| Sessions | |
| Special: March 4, 1809 – March 7, 1809 1st: May 22, 1809 – June 28, 1809 2nd: November 27, 1809 – May 1, 1810 3rd: December 3, 1810 – March 3, 1811 | |
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.