Selinsgrove is the largest borough in Snyder County, Pennsylvania, United States. The population was 5,383 at the 2000 census.
Selinsgrove is geographically located in the middle of the Susquehanna River Valley in Central Pennsylvania, along U.S. Routes 11 and 15, 36.4 miles (58.6 km) north of Harrisburg and 5.7 miles (9.2 km) southwest of Sunbury. It is the home of Susquehanna University.
Four or more years; Private not for profit; $44,890 average out-state tuition; $44,890 average in-state tuition