There are 12 US Post Offices in Lincoln County serving a total of 42,566 residents equating to 3,547 residents per post office. It's estimated that approximately 67,940 packages are handled across the 12 county post offices annually. Lincoln County is a county located in the U.S. state of Oregon. As of the 2010 census, its population was 46,034. The county seat is Newport. The county is named for Abraham Lincoln, 16th president of the United States. Lincoln County comprises the Newport, OR Micropolitan Statistical Area."