Locust Township is a township in Columbia County, Pennsylvania, United States. It is part of Northeastern Pennsylvania. The population was 1,459 at the time of the 2020 census. The Snyder Covered Bridge No. 17 and Wagner Covered Bridge No. 19 were listed on the National Register of Historic Places in 1979. The Roaring Creek Friends Meetinghouse n…Locust Township is a township in Columbia County, Pennsylvania, United States. It is part of Northeastern Pennsylvania. The population was 1,459 at the time of the 2020 census. The Snyder Covered Bridge No. 17 and Wagner Covered Bridge No. 19 were listed on the National Register of Historic Places in 1979. The Roaring Creek Friends Meetinghouse near Numidia was built in 1796.