There are 7 US Post Offices in Meeker County serving a total of 22,868 residents equating to 3,267 residents per post office. It's estimated that approximately 36,500 packages are handled across the 7 county post offices annually. Meeker County is a county located in the U.S. state of Minnesota. As of the 2010 census, the population was 23,300. Its county seat is Litchfield."