Sprague was elected as a Federalist Party to the 5th United States Congress to fill the vacancy caused by the resignation of Jeremiah Smith, serving from December 15, 1797, to March 3, 1799.
Sprague was chosen by the Federalist Party to represent the 5th United States Congress in place of Jeremiah Smith, who resigned. Sprague served from December 15, 1797, until March 3, 1799.