In Samcheok City, the primary industry accounts for 40%, secondary, 25%, and tertiary, 35%, as of 2001. Fields make up 3,320ha of the total arable land measuring 4,430ha, the highest proportion. The number of farmhouses is 5,222.
The active agricultural population currently stands at 14,189 and continues its downward path. Major agricultural products include rice from Geundeok-myeon and Wondeok-eup, barley from Wondeok-eup and Hajang-myeon, corn from Hajang-myeon and Dogye-eup, and highland vegetables from Hajang-myeon.
Specifically, garlic is a specialty product of Wondeok-eup, whereas camphor ginseng, a type of cultivated ginseng, is produced in Yeosam-ri, Nogok-myeon. Forests occupy 107,431 ha, and afforested areas are kept in good forest condition. Major forest products include timber, mining timber, mushrooms, etc.
Samcheok has 14 ports and harbors including Samcheok Port, Imwon Port, Deoksan Port, Jangho Port, Chogok Port, Daejin Port, and others. Major marine products include pollack, Pacific saury, cuttlefish, seaweed, etc. Specifically, Seaweed produced in Gopo-ri is one of the specialty products of Samcheok.
Samcheok has huge deposits of various mineral resources including anthracite. Anthracite is mined in Dogye-eup, and limestone, in the area adjoining Tong Yang Cement's manufacturing plant in Samcheok City. In addition, Punggok in Wondeok-eup has lead, zinc, and kaolin mines, whereas Geundeok-myeon has silica mines.
As of 2002, approximately 20,605 people are working in 5,470 business places throughout Samcheok. Agricultural and industrial complexes were set up in Geundeok-myeon and Dogye-up.
Major industrial facilities in Samcheok include Tong Yang Cement's manufacturing plant (established in 1942), the largest nationwide with annual production capacity of 11 million tons of cement, Gyeonggong Mining with annual production capacity of 1.042 million tons of coal, and Dogye Mining, which produces 12% of the total coal produced in Gangwon Province.