Bath is located at the head of the Monocacy Creek in an area of the Lehigh Valley that was once rich in agriculture.

[3] Prior to European settlement, Bath was inhabited by the Lenape Indigenous tribe.

It is named for Bath, Somerset, England by Margaret DeLancey, who sold land under her father, lieutenant colonel of the Continental Army, William Allen, in the 1700s.

[3] On March 3, 1737, the 247 acres of land that is currently inside the boundaries of Bath was purchased and surveyed for Daniel Craig.

William Allen conveyed the greater part of Bath's land to his son, Andrew, in 1776, the same year that the Second Continental Congress in Philadelphia signed the Declaration of Independence, declaring its freedom from British colonial governance.

That same year, Andrew Allen sold 150 acres of the land to John Lattimore.

Andrew Allen also owned land west of the Monocacy, which was eventually confiscated and sold to local families in the area.

[3] Southeast of the town, a French and Indian War blockhouse was constructed to fortify the area from potential attacks.

Its ruins still remain in a small field south of a warehouse at the intersection of Airport Road and Nor-Bath Blvd known as Franks Corner, Pennsylvania.

[5][full citation needed] In 1999, the Bath Business and Community Partnership (BBCP) was established for managing urban revitalization initiatives, including creating a greener town, organizing volunteers, and developing economic restructuring/asset enhancement.

There are two peaks in Bath, Hawk Mountain in the northeast, and Siegfried Hill in the southwest, which has been partially quarried out.

The exploitation of limestone and slate found around bath has historically been a large industry for the town.

Bath's government involves a mayor, seven council members, and a tax collector.

Michele Ehrgott made local history as the first woman to serve as Borough Council President.

One mile of track is still used by local businesses located on Atlas cement grounds.

As of 2022, Kolbe Academy Recovery High School is now located on Washington Street in Bath.

The Home News is a weekly newspaper focusing on Bath and surrounding communities.