Tallong is in the traditional lands of the Gundungurra people. It is a village within the Southern Tablelands region of New South Wales, Australia, in Goulburn-Mulwaree Council. The village is located just outside the southern extremity of the Southern Highlands region and has some cultural and historic connections with this region also. In the 2016 census, the village had a population of 813. The town is 8.5 km from the town of Marulan and 25 km from the town of Bundanoon. The principal industries of the village include stud farms, arts and crafts and services for surrounding farms.