Sherwin was elected as a Republican to the Forty-sixth and Forty-seventh Congresses (March 4, 1879 – March 3, 1883). He was not a candidate for renomination in 1882.
Sherwin served two terms as a Republican in the U.S. Congress (March 4, 1879 – March 3, 1883). He chose not to seek another term in office in 1882.