Spring Township is bounded on the north by Saville and Centre, on the east by Centre & Carroll, on the south by Cumberland County, and on the west by Tyrone Township. Its outline on the north and east is irregular. At the census of 1850, succeeding its formation, it had a population of 1281, 105 farms, 215 houses, and 14 productive establishments.

Spring Township was created in 1848. It was formed from Tyrone Township. Originally the township was to be called Lawrence, but when the court approved the township, it was officially called Spring. Approximately 200 citizens protested the formation of this township.