The 'AA' rating on Oak Park Village, Ill.'s GO corporate purpose bonds reflects the village's: Participation in the Chicago MSA's deep and diverse economy, High wealth levels, Strong financial operations, and Manageable debt burden. Located eight miles west of downtown Chicago, Ill., Oak Park Village is a home rule community with a current population of 52,524 people. The 4.6 square-mile village is landlocked by Chicago on its eastern and northern borders and Cook County suburbs on its southern and western borders. The village is primarily residential with a wide variety of rental and owner-occupied housing; it boasts more than 60 homes and buildings designed by Frank Lloyd Wright, including the famous architect's former studio and offices. The tax base rose