Pocahontas is a city located in Pocahontas County, Iowa. Pocahontas has a 2026 population of 1,848. It is also the county seat of Pocahontas County. Pocahontas is currently declining at a rate of -0.38% annually and its population has decreased by -1.12% since the most recent census, which recorded a population of 1,869 in 2020.