There are 12 US Post Offices in Lincoln County serving a total of 14,022 residents equating to 1,169 residents per post office. It's estimated that approximately 22,381 packages are handled across the 12 county post offices annually. Lincoln County is a county in the U.S. state of Wyoming. As of the 2010 census, the population was 18,106. Its county seat is Kemmerer. It is east from the Idaho-Utah state line."