None of the households in Hardin 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.
97.6% of the residents in Hardin County, IA are U.S. citizens.
Hardin County, IA borders Butler County, IA, Franklin County, IA, Grundy County, IA, Hamilton County, IA, Marshall County, IA, Story County, IA, and Wright County, IA.