Real Gross Domestic Product: Primary Metal Manufacturing (NAICS 331) in Iowa was 1752.80000 Mil. of Chn. 2009 $ in January of 2022, according to the United States Federal Reserve. Historically, Real Gross Domestic Product: Primary Metal Manufacturing (NAICS 331) in Iowa reached a record high of 1752.80000 in January of 2022 and a record low of 620.30000 in January of 2001. Trading Economics provides the current actual value, an historical data chart and related indicators for Real Gross Domestic Product: Primary Metal Manufacturing (NAICS 331) in Iowa - last updated from the United States Federal Reserve on April of 2024.