Federalsburg is a town in Caroline County, Maryland, United States. The population was 2,739 at the 2010 United States Census. It has one high school, Colonel Richardson High School
The town was named for the Federalist Party that met there in 1812, and was incorporated in 1823. Another source maintains Federalsburg was so named because it was settled by people from northern states.
Federalsburg is located at 38°41′28″N 75°46′24″W (38.691126, -75.773296).
According to the United States Census Bureau, the town has a total area of 2.02 square miles (5.23 km2), of which 1.93 square miles (5.00 km2) is land and 0.09 square miles (0.23 km2) is water.
As of the census of 2010, there were 2,739 people, 1,081 households, and 708 families living in the town. The population density was 1,419.2 inhabitants per square mile (548.0/km2). There were 1,191 housing units at an average density of 617.1 per square mile (238.3/km2). The racial makeup of the town was 53.8% White, 41.0% African American, 0.3% Native American, 0.8% Asian, 1.3% from other races, and 2.8% from two or more races. Hispanic or Latino of any race were 3.6% of the population.
There were 1,081 households of which 41.0% had children under the age of 18 living with them, 31.8% were married couples living together, 26.9% had a female householder with no husband present, 6.8% had a male householder with no wife present, and 34.5% were non-families. 29.3% of all households were made up of individuals and 11.5% had someone living alone who was 65 years of age or older.