The locality is about 15 kilometres (9.3 mi) east of the town of Rosny Park.
In 2011 there were 2165 people living in Acton Park, ten of which being Indigenous.
[2] Acton Park is bounded to the east by the southern portion of the Meehan Range, to the south by Ralphs Bay, and to the east by Roches Beach, Single Hill and Seven Mile Beach.
It is one of the more sought after living locations due to its easy commuting distance to Hobart, and because of the semi-rural character of the suburb itself.
[3] The waters of Frederick Henry Bay form a small part of the eastern boundary.