Standard&Poor's Ratings Services raised its underlying rating (SPUR) to 'A+' from 'A' on Houston County, Ala.'s previously issued GO warrants. The outlook is stable. The raised rating reflects our view of the county's consistently strong financial position and role as a regional economic center. The rating reflects our view of the county's: Position as southeast Alabama's regional economic center; Sound financial performance and position; and Low debt burden, coupled with limited additional capital needs. Offsetting rating factors include our opinion of the county's: Concentrated property tax base, and Below-average income levels. Houston County has a population of about 97,682. The county seat of Dothan serves as a regional trade and health care center for Alabama's surrounding rural counties,