Career
Born in London, England, Plocker emigranted to Boston, Massachusetts in 1827 and settled in Orleans County, New York in 1829. He was a farmer, clerk, and teacher. He was deputy collector of canal tolls of the Erie Canal in Brockport, New New York
He was also cashier, bookkeeper, and master of a streamer.
In 1847, Plocker moved to Metomen, Wisconsin Territory. He served as town clerk and chairman, and also served on the Fond du Lac County, Wisconsin Board of Supervisors and was chairman of the county board.
In 1875, Plocker served in the Wisconsin State Assembly and was a Republican. He died in Boston, Massachusetts.
