McHenry County, IL - Housing Inventory: Median Listing Price per Square Feet in Mchenry County, IL was 210.00000 U.S. $ in April of 2026, according to the United States Federal Reserve. Historically, McHenry County, IL - Housing Inventory: Median Listing Price per Square Feet in Mchenry County, IL reached a record high of 212.00000 in March of 2026 and a record low of 114.00000 in October of 2016. Trading Economics provides the current actual value, an historical data chart and related indicators for McHenry County, IL - Housing Inventory: Median Listing Price per Square Feet in Mchenry County, IL - last updated from the United States Federal Reserve on June of 2026.