Seventy-eight-year-old former miner Chang Kao-yung, who began working in the mines after graduating from elementary school, relates that based on statistics from 1937, there were more than 8,400 people working in the area at the time. Including workers 'family members, Chinkuashih residents numbered between 20,000 and 30,000.
國小畢業後便進入礦區工作、現年 78 歲的老礦工張高用表示，根據 1937 年的統計，礦區工作人員約八千四百多人，如果加上家眷，金瓜石的住民數約兩、三萬人。