Regional Price Parities: Services: Other for Illinois was 102.88700 Index in January of 2022, according to the United States Federal Reserve. Historically, Regional Price Parities: Services: Other for Illinois reached a record high of 102.88700 in January of 2022 and a record low of 98.62800 in January of 2015. Trading Economics provides the current actual value, an historical data chart and related indicators for Regional Price Parities: Services: Other for Illinois - last updated from the United States Federal Reserve on April of 2024.