Housing Inventory: Median Days on Market in St. Johns County, FL was 59.00000 Level in March of 2026, according to the United States Federal Reserve. Historically, Housing Inventory: Median Days on Market in St. Johns County, FL reached a record high of 101.00000 in January of 2017 and a record low of 26.00000 in May of 2022. Trading Economics provides the current actual value, an historical data chart and related indicators for Housing Inventory: Median Days on Market in St. Johns County, FL - last updated from the United States Federal Reserve on May of 2026.