All-Transactions House Price Index for Union County, IA was 194.54000 Index 2000=100 in January of 2023, according to the United States Federal Reserve. Historically, All-Transactions House Price Index for Union County, IA reached a record high of 204.18000 in January of 2022 and a record low of 92.68000 in January of 1998. Trading Economics provides the current actual value, an historical data chart and related indicators for All-Transactions House Price Index for Union County, IA - last updated from the United States Federal Reserve on May of 2024.