Chain-Type Quantity Index for Real GDP: Construction (NAICS 23) in Iowa was 108.69600 Index 2009=100 in April of 2021, according to the United States Federal Reserve. Historically, Chain-Type Quantity Index for Real GDP: Construction (NAICS 23) in Iowa reached a record high of 124.14400 in October of 2016 and a record low of 89.55500 in July of 2010. Trading Economics provides the current actual value, an historical data chart and related indicators for Chain-Type Quantity Index for Real GDP: Construction (NAICS 23) in Iowa - last updated from the United States Federal Reserve on April of 2024.