As of today, , there are 184 properties listed for sale in ZIP code 60091 and 184 properties listed for sale in the city of Wilmette. Of those 184 properties, there are 155 single family houses and 29 condos. The last known list price for 520 Knox Ave was $402,500, which is 48% below the current median price of $769,500 for Wilmette and 48% below the median of $769,500 for 60091. 520 Knox Ave is a single family residential home that is approximately 1,443 square feet, which is 48% below the median size in Wilmette of 2,758 Sqft and 48% below the median size in 60091 of 2,758 Sqft. This property's price per square foot was $279, which is 2% below the current median in 60091 of $286 and 2% below the Wilmette median of $286.