Montoursville is a borough in Lycoming County, Pennsylvania, in the United States. As of the 2000 census, the borough population was 4,777. It is part of the Williamsport, Pennsylvania Metropolitan Statistical Area. It was named for Elizabeth Catherine Montour, a Native American leader and skilled translator for the colonial governments. The Williamsport Regional Airport is in Montoursville. Montoursville apartments for rent comparison page shows most up to date rent information on Montoursville apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.