Gilwern population
Gilwern has a population of 2,263, making it the 8th largest place in Monmouthshire. In 2005 the World Gazetteer recorded 2,346, a fall of 3.5% since.
The 2005 figure is from the World Gazetteer archive and may draw its boundary differently from the current source, so treat the change as indicative. Sources: method.
Year-by-year official estimates for the wider area: Monmouthshire population trends, 2001–2024.