There are 339 real estate agents found in Summit Argo, IL. View our Summit Argo real estate area information to learn about the weather, local school districts, demographic data, and general information about Summit Argo, IL. Get in touch with a Summit Argo real estate agent who can help you find the home of your dreams in Summit Argo. Use our mortgage calculator to see how much it would be to finance a home in Summit Argo. Not ready to buy yet? Find and compare apartments for rent in Summit Argo.