The exposition was one of the few of its kind to make a profit, and likely contributed to a major increase in Portland's population and economy between 1905 and 1912.
这次博览会是历史上实现赢利的少数几场世界博览会之一，很可能也是促使波特兰的人口和经济在1905至1912年间得到大幅提升的重要因素。