Bath includes the village of Swiftwater and part of the district known as Mountain Lakes.

Andrew Gardner and 61 others on September 10, 1761, by Governor Benning Wentworth, who named it for William Pulteney, 1st Earl of Bath.

[4] But the terms of the original grant were unfulfilled, so Bath was regranted on March 29, 1769, by Governor John Wentworth.

[5] Situated at the head of navigation on the Connecticut River, and shielded from strong winds by the Green Mountains to the west and White Mountains to the east, Bath soon developed into "...one of the busiest and most prosperous villages in northern New Hampshire.

The White Mountains Railroad up the Ammonoosuc River valley opened August 1, 1853, shipping Bath's lumber, potatoes, livestock and wood pulp.

[8] But nearby Woodsville in the town of Haverhill developed into a major railroad junction, and the region's commercial center shifted there.

[5] But this economic dormancy of the Victorian era preserved much early architecture in the village, particularly in the Federal and Greek Revival styles.

The Brick Store, built in 1824 and designed by Alexander Parris, dominated the town center until its closure in 2020.

[9] Bath's Upper Village features a cluster of Federal-style houses based on the handbook designs of architect Asher Benjamin.