Welcome to the heart of the North Texas Hill Country.  Saint Jo, Texas is the oldest town in Montague County and home to a thousand friendly people who enjoy the informal life style, unique downtown square, scenic beauty and colorful history of the community.  Come visit our historic Chisholm Trail Square commemorating the old Chisholm cattle trail that drove millions of cattle by way of Saint Jo in route to Kansas.  Take a moment to explore our site and come visit.