Blaenavon population
Blaenavon has a population of 5,647, making it the 3rd largest place in Torfaen County Borough. In 2005 the World Gazetteer recorded 5,688, a fall of 0.7% 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.