The 5 largest ethnic groups in Isabel, SD are White (Non-Hispanic) (79.1%), American Indian & Alaska Native (Non-Hispanic) (20.3%), Black or African American (Non-Hispanic) (0.549%), White (Hispanic) (0%), and Black or African American (Hispanic) (0%).
None of the households in Isabel, SD 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.
100% of the residents in Isabel, SD are U.S. citizens.
In 2023, the median property value in Isabel, SD was $49,300, and the homeownership rate was N/A%.