All-Transactions House Price Index for Darke County, OH was 189.97000 Index 2000=100 in January of 2024, according to the United States Federal Reserve. Historically, All-Transactions House Price Index for Darke County, OH reached a record high of 189.97000 in January of 2024 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 February of 2026.