Career

Ploeger was a farmer and livestock raiser. He was also involved with the fire insurance business and was president of the Seymour State Bank. Ploeger was involved with the Seymour Fair Association.

Ploeger served as Seymour Town Clerk and as chairman of the Seymour Town Board.

Seymour served on the school board and was the board clerk. Ploeger served in the Wisconsin State Assembly and was a Republican.

Ploeger died of pneumonia at his home in Seymour, Wisconsin while still in office.