The name is a portmanteau of midla and nga, two Kaurna words that mean spear thrower and the place of respectively.

In 1950 Port Adelaide Council petitioned the Railway Commissioner to build high level earth-filled platforms, but this request was refused.

[5] The station appeared in the "Chief Engineer For Railways Map Showing Lines of Railways in South Australia" published in June 1950, and the June 1966 Metropolitan and Country Time and Fare Tables.

[6] Just north of Midlunga station, the line merges into a single track for the final three kilometres to Outer Harbor.

[9] Media related to Midlunga railway station at Wikimedia Commons