34668 -- U.S. ZIP code Municipality (1990): PORT RICHEY, Florida All ZIPs for this municipality (1990): 34668 Population (2000): 42073 Housing Units (2000): 22985 Land area (2000): 15.338294 sq. miles (39.725997 sq. km) Water area (2000): 0.420173 sq. miles (1.088242 sq. km) Total area (2000): 15.758467 sq. miles (40.814239 sq. km) Located within: Florida (FL) Location: 28.300730 N, 82.696980 W