N/A of the households in Mercer County, OH reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
Mercer County, OH borders Adams County, IN, Jay County, IN, Auglaize County, OH, Darke County, OH, Shelby County, OH, and Van Wert County, OH.