Pleasant Valley is a town in St. Croix County, Wisconsin, United States.

According to the United States Census Bureau, the town has a total area of 18.0 square miles (46.7 km2), all of it land.

There were 150 housing units at an average density of 8.3 per square mile (3.2/km2).

10.3% of all households were made up of individuals, and 2.1% had someone living alone who was 65 years of age or older.

None of the families and 0.5% of the population were living below the poverty line, including no under eighteens and none of those over 64.