La Salle County, IL - Market Hotness: Median Listing Price in LaSalle County, IL was 5.00035 % Chg. in April of 2026, according to the United States Federal Reserve. Historically, La Salle County, IL - Market Hotness: Median Listing Price in LaSalle County, IL reached a record high of 27.91991 in September of 2023 and a record low of -10.74708 in August of 2023. Trading Economics provides the current actual value, an historical data chart and related indicators for La Salle County, IL - Market Hotness: Median Listing Price in LaSalle County, IL - last updated from the United States Federal Reserve on May of 2026.