Spring Grove is a borough in York County, Pennsylvania, United States. The population was 2,372 at the 2020 census.].

The site of Spring Grove was laid out in 1747 on the banks of Codorus Creek, midway amongst York and Hanover, by a surveyor for the Penns. Its layer since that period falls into two periods, each lasting nearly 100 years. The first witnessed increase of the borough as an iron-making center. The second, which extends to the gift day, is as a papermaking center. The businesses of both periods have relied on positive natural resources of the area.

Originally, Spring Grove was a allowance of Paradise Township and was contained within the boundaries of Lancaster County. York County was formed in 1749 and Jackson Township, including Spring Grove, in 1853. The residents of the community petitioned the County Court in 1882 for amalgamation as a borough, and in August of that year their petition was granted. Since that time, the borough has grown in area as a consequences of annexation of the surrounding land, the largest annexation having taken place in 1953.

In the 1770s, attracted by the presence of water, iron ore and wood for charcoal in the Pigeon Hills, an iron manufacturer expected a forge at “Spring Forge”. It is known as Spring Grove. The early German and English woodchoppers who flocked to this first Pennsylvania iron industry west of the Susquehanna River were the forebears of today’s community. By the mid-19th century, the manufacturing of iron had grown to a lessening where on 200 terse tons (180,000 kg) of iron bar were produced locally each year.