Housing Inventory: Price Increased Count Month-Over-Month in Polk County, IA was 57.14% in February of 2026, according to the United States Federal Reserve. Historically, Housing Inventory: Price Increased Count Month-Over-Month in Polk County, IA reached a record high of 366.67 in January of 2026 and a record low of -82.14 in September of 2024. Trading Economics provides the current actual value, an historical data chart and related indicators for Housing Inventory: Price Increased Count Month-Over-Month in Polk County, IA - last updated from the United States Federal Reserve on April of 2026.