Housing Inventory: Active Listing Count in Warren County, OH was 437.00000 Level in February of 2026, according to the United States Federal Reserve. Historically, Housing Inventory: Active Listing Count in Warren County, OH reached a record high of 1130.00000 in August of 2016 and a record low of 152.00000 in April of 2022. Trading Economics provides the current actual value, an historical data chart and related indicators for Housing Inventory: Active Listing Count in Warren County, OH - last updated from the United States Federal Reserve on April of 2026.