Standard&Poor's Ratings Services assigned its 'AA-' rating, and stable outlook, to Temple, Texas' series 2006 combination tax and revenue certificates of obligation. The rating reflects the city's: Diversifying regional economy, Consistently strong financial management and operating results, and Moderate overall debt levels. Below-average wealth and income indicators are an offsetting factor. The city's full faith and credit pledge secures the certificates. Temple, with a population of 58,447, is the Killeen-Temple MSA's economic center. The city's beneficial location, 60 miles north of Austin, Texas on Interstate 35, has allowed it to grow as a distribution and retail center with a significant manufacturing sector. Furthermore, city officials expect the population to exhibit steady growth, increasing to about 68,000 by 2010.