None of the households in New Haven County, CT 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.
93.8% of the residents in New Haven County, CT are U.S. citizens.
New Haven County, CT borders Fairfield County, CT, Hartford County, CT, Litchfield County, CT, Middlesex County, CT, and Suffolk County, NY.