Portersville is an unincorporated community in Boone Township, Dubois County, in the U.S. state of Indiana.

[3] Portersville was established as a town circa 1818.

[4] It is reportedly the oldest town in Dubois County, and was selected as the county seat of Dubois County before it was changed to Jasper.

[5] A post office was established at Portersville in 1821, and remained in operation until it was discontinued in 1909.

This Dubois County, Indiana location article is a stub.