As of , there are 226 properties listed for sale in the city of Alton and 226 properties listed for sale in the ZIP code 62002. Those 226 Alton properties include 224 single family homes and 2 condos. This duplex (2 units, any combination) home located at 2706 Sunnyside St in 62002 was last listed for $51,166. This is 36% below the median of $79,900 for that ZIP code and 36% below the current median price of $79,900 for Alton. 2706 Sunnyside St is roughly 1,592 Sqft, which is 21% above the Alton median of 1,311 and 21% above the 62002 ZIP code median of 1,311. This property's price per Sqft was $32, which is 52% below the current median price in 62002 of $66 and 52% below the Alton median of $66 per square foot.