Austinville is an unincorporated community in southwestern Butler County, Iowa, United States.

It lies along Iowa Highway 57 southwest of the city of Allison, the county seat of Butler County.

[3] Although Austinville is unincorporated, it has a post office with the ZIP code of 50608,[4] which opened on 3 October 1892.

[5] As of the United States Census, 2020, the ZIP code's population was 38.

This article about the geography of Butler County, Iowa is a stub.