Pocahontas is a village in Bond County, Illinois, United States. The population was 697 at the 2020 census. Pocahontas was originally known as Hickory Grove and then Amity. In 1850, the name was changed to Pocohontas. In 1855, the current spelling with an "a" came into place. Pocahontas was incorporated as a village in 1847. The town was na…Pocahontas is a village in Bond County, Illinois, United States. The population was 697 at the 2020 census. Pocahontas was originally known as Hickory Grove and then Amity. In 1850, the name was changed to Pocohontas. In 1855, the current spelling with an "a" came into place. Pocahontas was incorporated as a village in 1847. The town was named after Pocahontas Coal.