Harrisburg is a city in Lincoln County, South Dakota, United States and is a suburb of Sioux Falls.

[4] Before the railroad was built through Lincoln County, a stagecoach brought mail to the Johnson Harris Homestead located on Nine Mile Creek in Dayton Township.

The post office was called Salina in honor of Mrs. Jim Stillwell, an early settler and a highly respected teacher.

The post office took back its original name and the town of Harrisburg was born.

[7] Much mystery surrounds the old bank building, including whether or not the infamous bandit John Dillinger stopped to rob it.

According to popular legend, after Dillinger robbed the bank, he fired a round into the teller counter as a reminder not to follow him out.

[6] The city of Harrisburg is led by a mayor-council (strong mayor) form of government.

[8] According to the United States Census Bureau, the city has a total area of 4.769 square miles (12.35 km2), all land.

A new (2008) sports complex and stadium were built at the new high school on the west side of Harrisburg, along with construction of soccer fields and tennis courts on the north side of the Harrisburg High School campus.