Racine is an unincorporated community in Newton County, Missouri, United States. It is part of the Joplin, Missouri Metropolitan Statistical Area. A post office called Racine has been in operation since 1869. The town was originally called Dayton, after Dayton, Ohio, as was the surrounding township. However, there was already a Dayton, Missouri, causing c…Racine is an unincorporated community in Newton County, Missouri, United States. It is part of the Joplin, Missouri Metropolitan Statistical Area. A post office called Racine has been in operation since 1869. The town was originally called Dayton, after Dayton, Ohio, as was the surrounding township. However, there was already a Dayton, Missouri, causing confusion for Postal Service deliveries. The name was changed in 1871 to Racine, after Racine, Wisconsin. The name of Dayton Township remained the same.