[2] The electoral ward also bears the same name but includes Budock Water and the surrounding area.

The ancient name of Constantine, "Langostentyn", implies that the settlement was monastic, with the "Lan" prefix.

Dr Lynette Olson (1989)[5] has examined literary and archaeological evidence for all early monastic establishments in Cornwall and found significant doubts about the religious nature of Constantine before the Norman Conquest.

[6] Trewardreva Manor House was built circa 1600 and remodelled in 1719–49; the west wing was demolished in 1860.

Treviades Barton, also Grade II* listed, is a gentry house with historic garden.

[8] Arthur Langdon (1896) recorded six Cornish crosses in the parish; in the churchyard, at Bosvathick, at Merthen, at Nanjarrow, at Trevease and at Trewardreva.

[11] Restoration of the roof timbers (costing £1,200) commenced in 1874, completed in 1878, with the re-opening ceremony held on 22 January 1879 by Edward Benson the Bishop of Truro.

Mineral extraction led to an increase in population and the village expanded down what is now called Fore Street, during the 19th century.

The parish had three main industries: agriculture; mining for tin, copper, and iron;[17] and quarrying granite.

[26] Like many other Cornish places, Constantine Parish with Gweek, is twinned with a partner in Brittany in western France.

The Tolmen Centre has hosted three editions of an international guitar festival,[32] that has attracted a range of concert performers including the Silesian Guitar Octet, Mick Abrahams, Andrea Dieci, Ben Salfield (who also directed the three festivals) and Stonephace (featuring Adrian Utley and Larry Stabbins).

Within the parish of Constantine are situated various historic estates including: Bonallack, Bosahan, Bosanarth, Bosawsack, Bosvathick, Boswarch, Boswidjack, Bridge, Brill (a hamlet to the west of the village of Constantine), Brillwater, Calamansac, Carvedras, Goongillings, Groyne Point, High Cross, Job's Water, Lestraynes, Maen Pern, Merthen, Nancenoy, Penbothidno, Penwarn, Polpenwith, Polwheveral, Ponjeravah, Port Navas, Retallack, Scott's Quay, Seworgan, Trebarvah, Trecombe, Tregantallan, Treglidgwith, Treleggan, Trenarth, Trengrove, Tresahor, Tresidder, Trevassack, Trevease, Treviades, Trewardreva, Trewince, Treworvack, Treworvall, Tucoyse.