As of today, , there are 2 properties listed for sale in ZIP code 61201 and 2 properties listed for sale in the city of Rock Island. Of those 2 properties, there are 2 single family houses and 0 condos. The last known list price for 1619 31st St was $75,833, which is 321% above the current median price of $18,000 for Rock Island and 321% above the median of $18,000 for 61201. 1619 31st St is a single family residential home that is approximately 1,541 Sqft, which is 3% below the median size in Rock Island of 1,592 square feet and 3% below the median size in 61201 of 1,592 square feet. This property's price per square foot was $49, which is 227% above the current median in 61201 of $15 and 227% above the Rock Island median of $15.