McDonald's Restaurants AddressMcHenry County, Illinois, US Websitehttps://www.mcdonalds.com/us/en-us/location/ia/dyersville/1510-9th-street-se/18745.html AreaMcHenry County, Illinois, United States Open on map Directions Back to directory search ☆ ☆ ☆ ☆ ☆ Submit