| 16th United States Congress | |
|---|---|
15th ← → 17th | |
 United States Capitol (1827) | |
March 4, 1819 – March 4, 1821 | |
| Members | 46 senators 186 representatives 3 non-voting delegates |
| Senate majority | Democratic-Republican |
| Senate President | Daniel D. Tompkins (DR) |
| House majority | Democratic-Republican |
| House Speaker | Henry Clay (DR) John W. Taylor (DR) |
| Sessions | |
| 1st: December 6, 1819 – May 15, 1820 2nd: November 13, 1820 – March 3, 1821 | |
The 16th 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, 1819, to March 4, 1821, during the third and fourth years of James Monroe's presidency. The apportionment of seats in the House of Representatives was based on the 1810 United States census. Both chambers had a Democratic-Republican majority.