The 5 largest ethnic groups in Grimes, IA are White (Non-Hispanic) (85%), Asian (Non-Hispanic) (3.56%), White (Hispanic) (2.91%), Two+ (Non-Hispanic) (2.67%), and Two+ (Hispanic) (2.52%).
None of the households in Grimes, 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% of the residents in Grimes, IA are U.S. citizens.