Ione is a town in Pend Oreille County, Washington, United States. The population was 428 at the 2020 census. Ione was first settled in 1894 by homesteader Elmer Hall. Ione was officially incorporated on January 3, 1910.
AdView floodplainmaps with your Land idâ„¢. Discover flood hazards before buying property. Easily access FEMA floodmaps online. Know if you're living in a floodplain.