Shenandoah Heights, Pennsylvania, United States [CDP]; population was 1,386 in 1990; housing units was 604 in 1990; location is 40°50'N 76°12'W; land area is 0.82 square miles (523 acres); water area is 0.02 square miles (12 acres); FIPS code is 70064 [SourceCBP]