Today upper merion, King Of Prussia PA is count around 22 homes for sale at current average listing price of $643,984. Nearby neighborhoods of upper merion are None Available, Valley Forge Tower, Stonebrook At Upper Merion, 575 South Condos, Acorn Hill, Belmont Terr, Brownstones At Vf, Cinnamon Hill, Colonial Vil, Deer Creek. Most of upper merion homes are 3 bedrooms with 3 bathrooms.