N/A of the households in Decatur County, IA 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.
Decatur County, IA borders Clarke County, IA, Lucas County, IA, Ringgold County, IA, Union County, IA, Wayne County, IA, Harrison County, MO, and Mercer County, MO.