Yorktown is a town in Mount Pleasant Township, Delaware County, Indiana, United States. The population was 9,405 at the 2010 census. It is part of the Muncie, IN Metropolitan Statistical Area.
According to the United States Census Bureau, the town has a total area of 3.6 square miles (9.3 km²), of which, 3.5 square miles (9.1 km²) of it is land and 0.1 square miles (0.2 km²) of it (1.67%) is water.
As of the census of 2000, there were 4,785 people, 1,842 households, and 1,368 families residing in the town. The population density was 1,357.0 people per square mile (523.4/km²). There were 1,940 housing units at an average density of 550.2 per square mile (212.2/km²). The racial makeup of the town was 97.64% White, 0.96% African American, 0.15% Native American, 0.36% Asian, 0.23% from other races, and 0.67% from two or more races. Hispanic or Latino of any race were 0.73% of the population.