Royalton is located in southern Dauphin County at . It is bordered to the southwest by the Susquehanna River, and to the west and north by Swatara Creek, across which is the borough of Middletown. Pennsylvania Route 441 passes through the center of the borough, leading north into Middletown and southeast to Columbia. Harrisburg, the state capital, is to the northwest. According to the United States Census Bureau, the borough of Royalton has a total area of, of which is land and, or 9.48%, is water.
Demographics
As of the census of 2010, there were 1083 people, 395 households, and 270 families residing in the borough. The population density was 2,774.8 people per square mile. There were 415 housing units at an average density of 1,195.8 per square mile. The racial makeup of the borough was 95.43% White, 0.52% African American, 0.31% Native American, 1.35% Asian, 0.83% from other races, and 1.56% from two or more races. Hispanic or Latino of any race were 2.49% of the population. There were 395 households, out of which 29.1% had children under the age of 18 living with them, 50.6% were married couplesliving together, 13.9% had a female householder with no husband present, and 31.4% were non-families. 26.3% of all households were made up of individuals, and 7.1% had someone living alone who was 65 years of age or older. The average household size was 2.44 and the average family size was 2.90. In the borough the population was spread out, with 22.9% under the age of 18, 7.3% from 18 to 24, 30.7% from 25 to 44, 27.2% from 45 to 64, and 11.8% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 85.9 males. For every 100 females age 18 and over, there were 91.2 males. The median income for a household in the borough was $41,917, and the median income for a family was $44,821. Males had a median income of $34,688 versus $26,513 for females. The per capita income for the borough was $18,029. About 4.8% of families and 7.8% of the population were below the poverty line, including 15.6% of those under age 18 and 3.6% of those age 65 or over.
