The ratings on Denton County, Texas' certificates and bonds are based on the full faith and credit GO pledge of Denton County. The upgrade reflects the following credit factors: A diverse economic and tax base, Above-average income levels despite a large student population, Historically strong financial management and financial position, and High debt levels with limited future capital needs. Denton County (population 373,850) is located in the northern part of the Dallas-Fort Worth MSA, and has experienced rapid growth as the metroplex has expanded northward. Colleges and institutions located in the county seat of Denton have been a stabilizing force for a diversifying economy; the road network has expanded to open the southern portion of the county for new development.