Johnston population
Johnston has a population of 1,941, making it the 12th largest place in Pembrokeshire. In 2005 the World Gazetteer recorded 1,798, a rise of 8.0% 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: Pembrokeshire population trends, 2001–2024.