Allenhurst is a city in Liberty County, Georgia, United States. It is a part of the Hinesville metropolitan area. As of the 2020 census, the city had a population of 816.
Allenhurst was platted in 1910 by B. H. Allen, the proprietor of a local sawmill. A post office has been in operation since 1909.
Allenhurst is located at (31.781311, -81.608470).
According to the United States Census Bureau, the town has a total area of , of which is land and 0.88% is water.
In 2020, its population was 816.
The United States Postal Service operates the Allenhurst Post Office. The current mayor of Allenhurst is James Willis.
The Liberty County School District operates public schools that serve Allenhurst.