Wheaton is a city in Wheaton Township, Barry County, Missouri, United States. The population was 696 at the 2010 census.HistoryThe Wheaton Missouri and North Arkansas Railroad Depot was added to the National Register of Historic Places in 2000.GeographyWheaton is located at .According to the United States Census Bureau, the city has a total area of 0.51sqmi, all land.The community is located on Route 86, south of U.S. Route 60.Demographics2010 censusAs of the census of 2010, there were 696 people, 274 households, and 175 families residing in the city. The population density was 1364.7PD/sqmi. There were 333 housing units at an average density of 652.9/sqmi. The racial makeup of the city was 89.8% White, 0.1% African American, 0.7% Native American, 1.4% Asian, 5.2% from other races, and 2.7% from two or more races. Hispanic or Latino of any race were 7.5% of the population.