None of the households in Washington County, PA 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.
98.9% of the residents in Washington County, PA are U.S. citizens.
Washington County, PA borders Allegheny County, PA, Beaver County, PA, Fayette County, PA, Greene County, PA, Westmoreland County, PA, Brooke County, WV, Hancock County, WV, Marshall County, WV, and Ohio County, WV.