There are 8 US Post Offices in Lincoln County serving a total of 65,830 residents equating to 8,229 residents per post office. It's estimated that approximately 105,072 packages are handled across the 8 county post offices annually. Lincoln County is a county located in the U.S. state of Nebraska. As of the 2010 census, the population was 36,288. Its county seat is North Platte. Despite the county's name, the state capital city of Lincoln is not located in or near Lincoln County. Lincoln County is part of the North Platte, NE Micropolitan Statistical Area. In the Nebraska license plate system, Lincoln County is represented by the prefix 15 (it had the fifteenth-largest number of vehicles registered in the county when the license plate system was established in 1922)."