Equifax Subprime Credit Population for Rock County, WI was 21.54% in October of 2023, according to the United States Federal Reserve. Historically, Equifax Subprime Credit Population for Rock County, WI reached a record high of 31.25 in October of 2009 and a record low of 21.47 in April of 2022. Trading Economics provides the current actual value, an historical data chart and related indicators for Equifax Subprime Credit Population for Rock County, WI - last updated from the United States Federal Reserve on May of 2024.