S&P Global Ratings assigned its 'AAA' long-term rating to Polk County , Iowa's anticipated $167.3 million series 2025A general obligation (GO) capital loan notes, $63.6 million series 2025B GO capital loan notes, $9.7 million series 2025C GO bonds, and $3.6 million series 2025D GO bonds. At the same time, S&P Global Ratings affirmed its 'AAA' long-term rating on the county's GO debt outstanding. The outlook is stable. The rating reflects the application of our " Methodology For Rating U.S. Governments ," published Sept. 9, 2024, on RatingsDirect. Revenue from the county's unlimited ad valorem property tax secures its GO debt. The county will loan series 2025A and 2025B bond proceeds to the Des Moines Airport Authority to fund a portion