Implicit Regional Price Deflator for Illinois was 117.50100 US PCE Index 2009 =100 in January of 2022, according to the United States Federal Reserve. Historically, Implicit Regional Price Deflator for Illinois reached a record high of 117.50100 in January of 2022 and a record low of 94.62600 in January of 2008. Trading Economics provides the current actual value, an historical data chart and related indicators for Implicit Regional Price Deflator for Illinois - last updated from the United States Federal Reserve on April of 2024.