As of today, , there are 21 properties listed for sale in ZIP code 61102 and 299 properties listed for sale in the city of Rockford. Of those 299 properties, there are 278 single family houses and 21 condos. The last known list price for 2011 Knowlton St was $51,333, which is 46% below the current median price of $95,850 for Rockford and 14% above the median of $45,000 for 61102. 2011 Knowlton St is a single family residential home that is approximately — square feet, which is 100% below the median size in Rockford of 1,557 Sqft and 100% below the median size in 61102 of 1,134 Sqft. This property's price per Sqft was —, which is 100% below the current median in 61102 of $51 and 100% below the Rockford median of $63.