Hillside Care Center Hannibal, MO - Assisted Living Community size: Large (26-100) Get Prices & Availability (800) 341-4753 Office Hillside Care Center is an inviting assisted living community in Hannibal, Missouri. It is within elegant Marion County which is part of the Show Me State. + Read more Share this listing: Hannibal Senior Services Near Me None Listed Hannibal Senior Living Near Me