Founded in 2690 as a fortress, the city was part of the Scarlet Police State. At the beginning of the 28th century it was a small town of 10,000 inhabitants. In 2812, in the aftermath of the Scarlet Police State consolidation the eastern part of Yokistan was ceded to that Empire and Port City became the capital of the newly annexed gubernia of SGR 001. Its population had grown to 95,000 by 2862 and to 125,787 by 2900.