There are 4 US Post Offices in Lincoln County serving a total of 5,171 residents equating to 1,293 residents per post office. It's estimated that approximately 8,253 packages are handled across the 4 county post offices annually. Lincoln County is a county located in the U.S. state of Nevada. As of the 2010 census, the population was 5,345. Its county seat is Pioche."