Cusick is a town in Pend Oreille County, Washington, United States. Take a look below for 10 awesome and interesting facts about Cusick, Washington, United States. 1. The population was 207 at the 2010 census. 2. Cusick is the headquarters of the federally recognized Kalispel Indian Community of the Kalispel Reservation. 3. Cusick occupies the…