Standard&Poor's Ratings Services affirmed its `AA-' rating on Oak Park Village, Ill.'s general obligation (GO) refunding bonds series 2010B and C. The outlook is stable. The rating reflects our view of the village's: Participation in the deep and diverse Chicago metropolitan economy; Very strong wealth and income levels; and Moderate overall debt burden. The village's weakened, although adequate, unreserved fund balances temper these strengths in our opinion. The bonds are secured by the village's GO pledge, and are backed by unlimited ad-valorem taxes. Oak Park is eight miles west of downtown Chicago, and is the first suburb directly west of the city. Metra commuter trains and Chicago Transit Authority elevated trains serve the village. Given that the village