 The name "Tarro" reportedly means "stone" in an Aboriginal language.At the 2006 census, Tarro had a population of 1,558, almost all of which is concentrated in the south-western corner of the suburb.Tarro and the adjacent suburbs of Beresfield, Woodberry and Thornton are situated on low ridges rising out of the surrounding floodplain (and wetlands) of the Hunter River.