32.4% of the households in Mercer County (Southwest) PUMA, 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.
88.4% of the residents in Mercer County (Southwest) PUMA, NJ are U.S. citizens.
Mercer County (Southwest) PUMA, NJ borders Middlesex County (Southeast) PUMA, NJ, Middlesex County (Southwest) PUMA, NJ, Monmouth County (Southwest)--Freehold, Manalapan PUMA, NJ, Burlington County (North)--Burlington City PUMA, NJ, Burlington County (South & East) PUMA, NJ, Mercer County (West Central)--Trenton City PUMA, NJ, Mercer County (North)--Princeton Borough PUMA, NJ, and Bucks County (Eastern Lower) PUMA, PA.