As of , there are 1 properties listed for sale in the city of Tonica and 1 properties listed for sale in the ZIP code 61370. Those 1 Tonica properties include 1 single family homes and 0 condos. This single family residential home located at 321 N 1st St in 61370 was last listed for $53,833. This is 75% below the median of $219,000 for that ZIP code and 75% below the current median price of $219,000 for Tonica. 321 N 1st St is roughly 1,209 Sqft, which is 28% below the Tonica median of 1,676 and 28% below the 61370 ZIP code median of 1,676. This property's price per square foot was $45, which is 65% below the current median price in 61370 of $130 and 65% below the Tonica median of $130 per Sqft.