The rating on Denton County, Texas' debt is based upon a limited ad valorem tax obligation of Denton County and reflects: A diversified economy and rapidly expanding tax base, Above-average income levels despite a large student population, Historically strong financial performance and position, and Moderate debt levels with limited future capital needs. The obligations and notes are payable from a maximum $0.80 per $100 assessed value tax levy. Denton County (population 400,915) 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 as the road network has expanded to