34997 -- U.S. ZIP code Municipality (1990): STUART, Florida All ZIPs for this municipality (1990): 34994 34996 34997 Population (2000): 33159 Housing Units (2000): 16390 Land area (2000): 54.625844 sq. miles (141.480281 sq. km) Water area (2000): 0.005018 sq. miles (0.012996 sq. km) Total area (2000): 54.630862 sq. miles (141.493277 sq. km) Located within: Florida (FL) Location: 27.136003 N, 80.216862 W