|Population||195 (2016 census)|
|• Density||11.89/km2 (30.80/sq mi)|
|Area||16.4 km2 (6.3 sq mi)|
The suburb consists of two distinct areas: the north-western part which is the mainland (adjacent with suburbs Woree, Bungalow, Parramatta Park and Cairns City) and the south-eastern part which is a pair of islands (Admiralty Island and a smaller unnamed island) bounded to the west by Smiths Creek and to the east by Trinity Inlet. The mainland part is developed land while the islands are undeveloped. The entire suburb is flat low-lying land, less than 10 metres above sea level.
The mainland part is principally used for industrial purposes with those nearest Smiths Creek being used for maritime purposes such as boat building, shipping services, trawlers and fish markets.
Ray Jones Drive is an arterial road that runs from the south-west to the north-east through the mainland area (being known at the north-east end as Comport Street). The North Coast railway line runs south and roughly parallel with the arterial road with the Portsmith railway station and Portsmith railway yards serving the suburb.
- Australian Bureau of Statistics (27 June 2017). "2016 Community Profiles: Portsmith (SSC)". 2016 Census of Population and Housing. Retrieved 5 March 2018.
- "Portsmith - suburb in Cairns Region (entry 48848)". Queensland Place Names. Queensland Government. Retrieved 29 December 2017.
- "Admiralty Island - island in Cairns Region (entry 130)". Queensland Place Names. Queensland Government. Retrieved 4 March 2018.
- "Queensland Globe". State of Queensland. Retrieved 4 March 2018.
- "Portsmith – Woree Industrial District" (PDF). CairnsPlan. Cairns Regional Council. March 2009. Archived (PDF) from the original on 5 March 2018. Retrieved 5 March 2018.
Media related to Portsmith, Queensland at Wikimedia Commons
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