Of the inhabitants, those originating from Changchou moved to the northern bank of the new river, and those from Ch'uanchou moved to the southern bank.
笨港街區在河川改道後成為河床。原居民一部份遷往溪北，一部份遷往溪南，於是新河道將笨港劃分成以漳州人為主的笨北港和以泉州人為主的笨南港兩個區域。