Shelby County, Iowa was established in 1851 occupying an area of over 400 square miles , its population stands slightly above 11 thousand individuals who primary rely on agriculture production but some businesses have begun developing throughout recent years providing job opportunities locals . Harlan remains Shelby’s most populous city acting county seat hosting several attractions such galleries art centers public gardens alongside myriad outdoor activities including boating camping hunting fishing all taking place near DeSoto National Wildlife Refuge nature center ideal spot observe amazing wildlife up close adding additional layer enjoyable experience.