Hudson is a city in St. Croix County, Wisconsin, United States. As of the 2010 United States census, its population was 12,719. It is part of the Minneapolis–St. Paul Metropolitan Statistical Area (MSA). The village of North Hudson is directly to the north of Hudson.
Hudson was settled in the summer of 1840 by Louis Massey and his brother in-law, Peter Bouchea. William Streets arrived at about the same time. Later that same year, Joseph Sauperson (commonly known as Joe LaGrue) took up residence. These four are considered Hudson's original inhabitants.