Leppington is located 52 kilometres south-west of the Sydney central business district, in the local government areas of the City of Liverpool and Camden Council.

[3] In 1933, Land was donated by Mr & Mrs Barrett along Ingleburn road, for the purposes of establishing a Leppington community Hall.

[4][5] Leppington was the birthplace of convicted Sydney murderer, kidnapper and drug dealer Anthony Perish.

Other languages spoken at home included Arabic 5.1%, Urdu 3.4%, Hindi 3.4%, Nepali 2.9% and Assyrian Neo-Aramaic 2.3%.

Leppington railway station on the South West Rail Link has frequent direct services to the CBD via Strathfield.

The bulk of Leppington belongs to the north ward of Camden Council while the northwest part of the suburb sits within the City of Liverpool.