O'Brien County, Iowa was established in 1851 occupying an area of just over 550 square miles mainly consisting of open land ideal for farming activity . Its population is estimated at around 14 thousand inhabitants whose livelihood depends primarily on agriculture but increasingly some industries related to tourism have began developing as well . O'Brien offers multiple outdoor recreational activities such as fishing boating watersports along with several golf courses winter sports facilities public libraries museums theaters public pools etc making it a great destination for tourists looking for fun exciting experiences.