There are 6 US Post Offices in Conejos County serving a total of 6,789 residents equating to 1,132 residents per post office. It's estimated that approximately 10,836 packages are handled across the 6 county post offices annually. Conejos County is one of the 64 counties of the U.S. state of Colorado. As of the 2010 census, the population was 8,256. The county seat is the unincorporated community of Conejos.