Careers, Jobs and Education Resources for: Polk County, Nebraska
Polk County is a county located in the U.S. state of Nebraska. As of 2000, the population is 5,639. Its county seat is Osceola. The center of population of Nebraska is located in Polk County, near the village of Shelby . In the Nebraska license plate system, Polk County is represented by the prefix 41 (it had the forty-first-largest number of vehicles registered in the county when the license plate system was established in 1922).