Dayton is a town in Sheridan County, Wyoming, United States.

According to the United States Census Bureau, the town has an area of 0.53 square miles (1.37 km2), all land.

There were 336 housing units at an average density of 634.0 per square mile (244.8/km2).

25.3% of all households were made up of individuals, and 10% had someone living alone who was 65 years of age or older.

There were 304 housing units at an average density of 640.8 per square mile (249.7/km2).

27.4% of all households were made up of individuals, and 11.2% had someone living alone who was 65 years of age or older.

Public education in the town of Dayton is provided by Sheridan County School District #1.