It is situated in the Liverpool Plains, 14 kilometres south of Quirindi near the junction of the Kamilaroi and New England Highways.

Willow Tree is located at the north-eastern corner of the enormous Warrah grant which was made out to the Australian Agricultural Company in 1833.

An inn was established on the future town site, at the junction of the roads north to Quirindi and north-east to Wallabadah in the mid-19th century.

The only other response for language spoken at home was Punjabi 1.0%..[1] The Census question about religion is optional; of the people who answered it, the most common responses were Anglican 36.7%, Catholic 20.9%, No Religion 25.1% and Uniting Church 3.5% [1] 53.8% of the residents over fifteen years old were in a registered marriage and 4.3% in a de facto marriage.

[4] It continues to be served by a daily rail service operated by a NSW TrainLink Xplorer train to and from Sydney and Armidale/Moree.