The town had a population of 3,233 at the 2021 census,[2] and is part of the Northern Midlands Council.

Like nearby Longford, Perth is a historic town with many buildings dating back to the early 19th century.

[6] The Perth Baptist church, opened in 1862, is notable, due to its history, size and architecture.

[7][8][9] In 1837, five years after the practice ceased in England, the body of John McKay was gibbetted near the spot where he murdered Joseph Wilson near Perth.

The location is still marked by a sign reading, "Gibbet Hill" on the right when heading to Launceston.