 Peck won the election, beating the incumbent William Hoard, and resigned as Milwaukee's mayor on November 11, 1890.He was reelected as governor in 1892, defeating Republican John C. Spooner, but lost a third term to William Upham in 1894.He ran again in 1904 but lost to the incumbent Robert M. La Follette, Sr..

Peck died in 1916 in Milwaukee at age 75 of Bright's disease and was buried at Forest Home Cemetery.