The 25th New York State Legislature, consisting of the New York State Senate and the New York State Assembly, met from January 26 to April 5, 1802, during the first year of George Clinton's second tenure as Governor of New York, in Albany.

Under the provisions of the New York Constitution of 1777, amended by the re-apportionment of March 4, 1796, Senators were elected on general tickets in the senatorial districts for four-year terms. They were divided into four classes, and every year about one fourth of the Senate seats came up for election. Assemblymen were elected countywide on general tickets to a one-year term, the whole assembly being renewed annually.

In 1797, Albany was declared the State capital, and all subsequent Legislatures have been meeting there ever since. In 1799, the Legislature enacted that future Legislatures meet on the last Tuesday of January of each year unless called earlier by the governor.

On November 11, 1801, State Senator Moses Vail was appointed Sheriff of Rensselaer County, leaving a vacancy in the Eastern District.

At this time the politicians were divided into two opposing political parties: the Federalists and the Democratic-Republicans.

The State election was held from April 28 to 30, 1801. Ex-Governor George Clinton (in office 1777-1795) was elected to a seventh term, and Jeremiah Van Rensselaer was elected Lieutenant Governor of New York, both were Democratic-Republicans

Senators Ezra L'Hommedieu (Southern D.), Jacobus S. Bruyn, James G. Graham (both Middle D.), Ebenezer Clark, Jacobus Van Schoonhoven and Abraham Van Vechten (all three Eastern D.) were re-elected. Peter A. Van Bergen (Middle D.), Christopher Hutton (Eastern D.), John Meyer, Isaac Foote (both Western D.) and Assemblyman Lemuel Chipman (Western D.) were also elected to the Senate. Assemblyman Edward Savage (Eastern D.) was elected to fill the vacancy. L'Hommedieu, Bruyn, Graham, Van Bergen and Savage were Democratic-Republicans, Hutton ran on both tickets, the others were Federalists.

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