Rio Blanco County
There are 2 US Post Offices in Rio Blanco County serving a total of 6,642 residents equating to 3,321 residents per post office. It's estimated that approximately 10,601 packages are handled across the 2 county post offices annually. Rio Blanco County is one of the 64 counties of the U.S. state of Colorado. As of the 2010 census, the population was 6,666. The county seat is Meeker. The name of the county is the Spanish language name for the White River which runs through it."