Standard&Poor's Ratings Services affirmed its 'AAA' rating, with a stable outlook, on Denton County, Texas' general obligation (GO) debt based on Standard&Poor's local GO criteria, published Sept. 12, 2013, on RatingsDirect. The county's ad valorem tax pledge secures the GO debt. The rating reflects our opinion of the following factors for the county: We consider Denton County's economy very strong with a projected per capita effective buying income at 129% of the national level. Market value is $83,742 per capita. The city of Denton, the county's seat and principal economic center, is approximately 25 miles north of, and equidistant from, Dallas and Fort Worth. Denton is also the home of the University of North Texas and