Regional Price Parities: Services: Other: Metropolitan Portion for Illinois was 103.39100 Index in January of 2022, according to the United States Federal Reserve. Historically, Regional Price Parities: Services: Other: Metropolitan Portion for Illinois reached a record high of 103.39100 in January of 2022 and a record low of 98.98900 in January of 2019. Trading Economics provides the current actual value, an historical data chart and related indicators for Regional Price Parities: Services: Other: Metropolitan Portion for Illinois - last updated from the United States Federal Reserve on March of 2024.