Porterville (also Maryville) is a census-designated place and unincorporated community in Kemper County, Mississippi.

Porterville was named for the first postmaster, Willie N. Porter.

The community is located on the Kansas City Southern Railway and the post office first opened on May 24, 1890.

[7] The Porterville General Store is listed on the National Register of Historical Places.

This Kemper County, Mississippi state location article is a stub.