He was a member from New York County of the New York State Assembly in 1814-15 and from 1816 to 1821, and was Speaker in 1820-21. He was a delegate to the New York State Constitutional Convention of 1821.
Credentials of his election to the Seventeenth Congress were issued by the Secretary of State of New York but Sharpe did not claim or take the seat. Cadwallader D. Colden successfully contested Sharpe's election and was seated on December 12, 1821.
Sharpe was elected as an Adams-Clay Democratic-Republican to the 18th United States Congress, holding office from March 4, 1823 to March 3, 1825. He was an unsuccessful candidate for re-election to the 19th United States Congress in 1824.
- United States House of Representatives elections in New York, 1821
- United States House of Representatives elections in New York, 1822
- "Political Reminiscences: Two Chapters from the Recollections of a Political Journalist" (PDF). New York Times. May 15, 1866. Retrieved January 1, 2014.
- United States Congress. "Peter Sharpe (id: S000297)". Biographical Directory of the United States Congress.
- Political Graveyard
John C. Spencer
| Speaker of the New York State Assembly
Samuel B. Romaine
|U.S. House of Representatives|
Jeremiah H. Pierson
| Member of the U.S. House of Representatives
from New York's 3rd congressional district
with Churchill C. Cambreleng and John J. Morgan
Gulian C. Verplanck,
Churchill C. Cambreleng,