| 57th United States Congress | |
|---|---|
56th ← → 58th | |
 United States Capitol (1906) | |
March 4, 1901 – March 4, 1903 | |
| Members | 90 senators 357 representatives 5 non-voting delegates |
| Senate majority | Republican |
| Senate President | Theodore Roosevelt (R)[a] (until September 14, 1901) Vacant (from September 14, 1901) |
| House majority | Republican |
| House Speaker | David B. Henderson (R) |
| Sessions | |
| Special[b]: March 4, 1901 – March 9, 1901 1st: December 2, 1901 – July 1, 1902 2nd: December 1, 1902 – March 3, 1903 | |
The 57th United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from March 4, 1901, to March 4, 1903, during the final six months of William McKinley's presidency, and the first year and a half of the first administration of his successor, Theodore Roosevelt. The apportionment of seats in the House of Representatives was based on the 1890 United States census. Both chambers had a Republican majority.
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