The 5 largest ethnic groups in Griswold, IA are White (Non-Hispanic) (88.3%), Two+ (Non-Hispanic) (5.88%), White (Hispanic) (2.45%), Other (Hispanic) (1.76%), and Two+ (Hispanic) (1.57%).
None of the households in Griswold, 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.
99.4% of the residents in Griswold, IA are U.S. citizens.
Most people in Griswold, IA drove alone to work, and the average commute time was 24.9 minutes. The average car ownership in Griswold, IA was 2 cars per household.