The median home price in Tonica, IL is $152,450. Currently, there are 3 homes listed in Tonica which include 0 condos, 0 foreclosures. Get started by checking out the most popular home & the most saved home by Better Homes and Gardens® Real Estate homebuyers in the last 30 days. When you are ready to explore homes, read what Better Homes and Gardens® Real Estate agents have to say about Tonica and discover homes for sale in Tonica.