The 5 largest ethnic groups in Hillsdale, NJ are White (Non-Hispanic) (80.2%), Asian (Non-Hispanic) (7.86%), Two+ (Hispanic) (5.94%), Two+ (Non-Hispanic) (1.46%), and White (Hispanic) (1.42%).
None of the households in Hillsdale, NJ 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.
97.1% of the residents in Hillsdale, NJ are U.S. citizens.