Wadsworth is a census-designated place in Washoe County, Nevada, United States. The population was 834 at the 2010 census. It is part of the Reno–Sparks Metropolitan Statistical Area. The town was named for General James S. Wadsworth, a Civil War general killed at the battle of the Wilderness in 1864. It was given this name by Leland Stanford of the Central Pacific Railroad as a favor to General Irvin McDowell, whom Wadsworth had served under during the Civil War.Wadsworth is located at 39°38′8″N 119°16′59″W / 39.63556°N 119.28306°W / 39.63556; -119.28306.According to the United States Census Bureau, the CDP has a total area of 3.7 square miles, all land.As of the census of 2000, there were 881 people, 328 households, and 225 families residing in the CDP. The population density was 237.7 people per square mile. There were 360 housing units at an average density of 97.1 per square mile. The racial makeup of the CDP was 28.94% White, 0.11% African American, 64.81% Native American, 0.