The 5 largest ethnic groups in Lewis County, ID are White (Non-Hispanic) (82.2%), Two Races Excluding Other, & Three or More Races (Non-Hispanic) (7.56%), Black or African American (Non-Hispanic) (1.7%), American Indian & Alaska Native (Non-Hispanic) (1.45%), and Other (Hispanic) (1.45%).
N/A of the households in Lewis County, ID 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.