All-Transactions House Price Index for Darke County, OH was 205.33000 Index 2000=100 in January of 2025, according to the United States Federal Reserve. Historically, All-Transactions House Price Index for Darke County, OH reached a record high of 205.33000 in January of 2025 and a record low of 38.97000 in January of 1977. Trading Economics provides the current actual value, an historical data chart and related indicators for All-Transactions House Price Index for Darke County, OH - last updated from the United States Federal Reserve on May of 2026.