From the late Qing Dynasty and continuing through Japanese rule and beyond, most of the residents of Caijia Village engaged in farming, but rapid economic growth in the latter half of the last century led a generation of youth to abandon the countryside throughout Taiwan, and Caijia Village was no exception. Persons aged 65 and over currently account for a very high 13 % of the residents of Caijia Village.
從清末、日治至光復後，蔡家村住民多半以務農為生，但隨著台灣的經濟起飛，這個純樸村落也難逃年輕人外流的宿命，目前 65 歲以上的人口比例約占 13 %，老化問題相當嚴重。