Red Willow County, Nebraska
Red Willow County is a county located in the U.S. state of Nebraska. As of the 2020 United States census, the population was 10,702. Its county seat is McCook. In the Nebraska license plate system, Red Willow County is represented by the prefix 48 (it had the forty-eighth-largest number of vehicles registered in the county when the license plate system was established in 1922).