[2] After the American Civil War, he entered politics and served as a Sergeant-at-Arms for the Wisconsin State Assembly in 1871 and 1872.

[2] He was elected to the Wisconsin State Senate in 1876, to fill the vacancy caused by the resignation of Henry D. Barron.

He served in the state senate until 1881, at which time he was elected as Wisconsin's 14th Lieutenant Governor.

[2] After retiring from politics in 1887, he served as postmaster in Ashland,[3] and opened a summer resort on Sand Island in Lake Superior.

[2] In Ashland, there is a street of historic homes named Fifield Row in his honor.