None of the households in Dallas 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.
94.8% of the residents in Dallas County, IA are U.S. citizens.
Dallas County, IA borders Adair County, IA, Boone County, IA, Greene County, IA, Guthrie County, IA, Madison County, IA, Polk County, IA, and Warren County, IA.