Post Falls is a city in Kootenai County, Idaho, United States. It is the gateway city to Northern Idaho off Interstate 90, just west of Coeur d'Alene, and east of Spokane, Washington. The population i
Kootenai County is located in the U.S. state of Idaho. As of the 2020 census, its population was 171,362, making it the third-most populous county in Idaho and the largest in North Idaho, the county a