Nelson is a village in Buffalo County in the U.S. state of Wisconsin. The population was 395 at the 2000 census. The village is surrounded by the Town of Nelson. Nelson is located at the junction of the Mississippi River and Chippewa River valleys. The river bottoms surrounding the confluence are home to a large amount of wildlife. A causeway and bridge across the Mississippi River link Nelson with the city of Wabasha, Minnesota at the junction of Wisconsin Highway 25 and Wisconsin Highway 35.