CHICAGO (S&P Global Ratings) Sept. 4, 2018--S&P Global Ratings raised its rating on Medina County, Ohio's limited-tax general obligation (GO) debt to 'AA+' from 'AA'. At the same time, we raised our rating on the Medina County Port Authority's series 2010A and 2010B bonds to 'AA-' from 'A+'. The outlook on all ratings is stable. "The upgrade reflects continued economic development and expansion, which has lifted income indicators and market value per capita," said S&P Global Ratings credit analyst John Sauter, "as well as ongoing strong budgetary performance, growing available reserves, and maintenance of a very strong debt and contingent liability position." The limited-tax GO bonds are secured by the county's full faith and credit and an agreement to levy