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Trevallyn is located in Tasmania and considered as a statistical area level 2 (SA2). The 2019 population estimate for Trevallyn is stated above. The population of Trevallyn is collected during censuses, every five years. In the last census in 2016, Trevallyn had a population of 4,561 persons. The live population is calculated using growth rate between 2011 and 2016 and national adjustments after 2016.


Trevallyn has an area of 9.7 square kilometres (km2), which provides a population density of 469 persons in each square kilometre. Below map presents the area and borders of Trevallyn.

map of Trevallyn


Trevallyn is neighbour with 4 suburbs of Prospect Vale - Blackstone, Riverside, Summerhill - Prospect, and West Launceston. The table below shows the population in 2016. Click on the suburbs to see the live population.

Region Area (km2) Population
West Launceston 4.0 4,136
Summerhill - Prospect 8.8 4,682
Prospect Vale - Blackstone 17.7 6,418
Riverside 48.3 6,419