Welcome to SIMPCO!

The Siouxland Interstate Metropolitan Planning Council, located in Sioux City, Iowa, is a council of governments serving the tri-state area of Iowa, Nebraska and South Dakota. We welcome you to our new and improved website and invite you to explore the different facets of our organization. If you have any comments or suggestions regarding anything within our website please feel free to leave us feedback by contacting us, or by e-mailing us at simpco@simpco.org.