Superior is a town in Sweetwater County, Wyoming, United States. The population was 336 at the 2010 census.
According to the United States Census Bureau, the town has a total area of 1.10 square miles (2.85 km2), all land.
As of the census of 2010, there were 336 people, 131 households, and 87 families living in the town. The population density was 305.5 inhabitants per square mile (118.0/km2). There were 181 housing units at an average density of 164.5 per square mile (63.5/km2). The racial makeup of the town was 91.4% White, 0.6% African American, 1.8% Native American, 0.6% Asian, 2.7% from other races, and 3.0% from two or more races. Hispanic or Latino of any race were 12.8% of the population.
There were 131 households, of which 37.4% had children under the age of 18 living with them, 50.4% were married couples living together, 10.7% had a female householder with no husband present, 5.3% had a male householder with no wife present, and 33.6% were non-families. 29.0% of all households were made up of individuals, and 10.6% had someone living alone who was 65 years of age or older. The average household size was 2.56 and the average family size was 3.16.