Maine's total gross state product for 2001 was $37.4 billion, placing it 43rd in the nation. Its per capita personal income for 2000 was $25,623, 36th in the nation.
Maine's agricultural outputs are seafood (notably lobsters), poultry and eggs, dairy products, cattle, blueberries, apples, and maple sugar. Aroostook County is known for its potato crops. Its industrial outputs are paper, lumber, and wood products, electronic equipment, leather products, food processing, textiles, and tourism. Naval shipbuilding and construction remain key as well, with Bath Iron Works in Bath and Portsmouth Naval Yard in Kittery.
Maine ports play a key role in national transportation. Around 1880, Portland's rail link and ice-free port made it eastern Canada's principal winter port, until the aggressive development of Halifax, Nova Scotia, in the mid-1900s. In 2001, Maine's largest city surpassed Boston as New England's busiest port (by tonnage), due to its ability to handle large tankers.