Before 1971, there was a large influx of people into Changpin lured by the large tracts of unused land. Now, however, the trend has reversed itself, with many young people leaving the area to look for work in the cities.
農業社會時，長濱有可供開發的土地，吸引不少移民；民國六十年以後，我國逐漸轉為工商社會，都市提供了大量工作機會，長濱僻處邊陲，缺乏資源，發展困難，年輕人紛紛出外工作。長濱很多人家，家中只剩下老弱婦孺留守。