As of today, , there are 220 properties for sale in the 62002 area and 220 properties listed for sale in the city of Alton. This duplex (2 units, any combination) home at 614 Spring St in ZIP code 62002 was last listed for $55,500. This is 31% below the current $79,900 median price for Alton and 31% below the median of $79,900 for the ZIP code. Of the 220 properties for sale in Alton, 218 are single family homes and 2 are condos. 614 Spring St is a duplex (2 units, any combination) home that is approximately — Sqft, 100% below the city median of 1,311 and 100% below the 62002 ZIP code median of 1,311. The price per square foot was — which is 100% below the current median price in 62002 of $66 and 100% below the Alton median of $66 per square foot.