Butler County — Cranberry, Butler & Zelienople

I-79 / I-76 PA Turnpike / PA-228 / US-422

Butler County sits north of Allegheny County along the I-79 corridor. Anchored by Cranberry Township — the fastest-growing community in the Pittsburgh metro, home to major corporate campuses (Westinghouse Nuclear, FedEx Ground, Dick's Sporting Goods HQ, Mylan/Viatris HQ), the Pittsburgh North Regional Chamber, and a rapidly expanding residential subdivision base — along with the City of Butler (the Butler County seat, in the historic gun-manufacturing region), Mars (a small town with the best-marketed name in PA), Evans City, Zelienople, Saxonburg, Slippery Rock (home of Slippery Rock University of Pennsylvania), and the Adams Township and Middlesex Township growth areas.