Rolfe is a city in Pocahontas County, Iowa, United States. The population was 509 at the time of the 2020 census. This city was named after the Englishman John Rolfe, who married Pocahontas in Ja…Rolfe is a city in Pocahontas County, Iowa, United States. The population was 509 at the time of the 2020 census. This city was named after the Englishman John Rolfe, who married Pocahontas in Jamestown, Virginia.