As of today, , there are 17 properties listed for sale in ZIP code 60511 and 17 properties listed for sale in the city of Big Rock. Of those 17 properties, there are 17 single family houses and 0 condos. The last known list price for 45 W300 John St was $217,666, which is 38% below the current median price of $350,000 for Big Rock and 38% below the median of $350,000 for 60511. 45 W300 John St is a single family residential home that is approximately 1,731 square feet, which is 22% below the median size in Big Rock of 2,219 square feet and 22% below the median size in 60511 of 2,219 square feet. This property's price per square foot was $126, which is 13% below the current median in 60511 of $144 and 13% below the Big Rock median of $144.