Stockton is a city in Winona County, Minnesota, United States. Major attractions include Merrick State Park and Garvin Heights City Park. Among the biggest companies in Stockton are Tiger Lily Tattoo & Piercing and Grace Lutheran Church. The biggest schools here are Winona Senior High School and St. Matthews Lutheran School. One of the best places to visit when you are in Stockton is Prairie Island Campground. Famous persons from Stockton include J.B. Stockton.