Montgomery County · Overview

    King of Prussia, PA — Complete Town Overview

    Location & jurisdiction

    King of Prussia sits within Upper Merion Township in Montgomery County, Pennsylvania. ZIP code(s): 19406. Buyers should verify parcel-specific jurisdiction (township vs borough, school attendance zone) because King of Prussia boundaries can span multiple municipalities.

    Population & housing character

    Population: ~24,500 (US Census ACS). Median home value range: $475K–$525K (Montco assessor + ACS) (per Census ACS and the Montgomery County Board of Assessment).

    Commute & connectivity

    King of Prussia residents access: I-76 (Schuylkill) at KoP interchange, I-276 (PA Turnpike) exit 326, US-202 / US-422, SEPTA 124, 125 buses to Center City, Future KoP Rail extension (planned), 20 min to PHL via Blue Route.

    Local economy

    Major employers in or near King of Prussia: Vanguard (nearby Malvern), GSK, Lockheed Martin, Universal Health Services (HQ), AmerisourceBergen (Cencora HQ), CSL Behring. Primary commercial districts: King of Prussia Town Center, King of Prussia Mall district, Renaissance Park, Moore Park.

    Green space

    Notable parks and open space: Valley Forge National Historical Park, Heuser Park, Upper Merion Community Center.

    Live listings (partner sites)

    For real-time inventory, cross-reference:

    King of Prussia — Overview — FAQs

    King of Prussia is in Montgomery County, Pennsylvania — Upper Merion Township municipality.

    King of Prussia's primary ZIP code is 19406.

    Combined county + municipal + school district millage produces an effective property tax rate of roughly 1.4%–1.7%. Combined 2025 Montgomery County + Upper Merion Township + UMASD millage per the county Board of Assessment.