There are 6 US Post Offices in Elbert County serving a total of 20,418 residents equating to 3,403 residents per post office. It's estimated that approximately 32,589 packages are handled across the 6 county post offices annually. Elbert County is one of the 64 counties of the U.S. state of Colorado. As of the 2010 census, the population was 23,086. The county seat is Kiowa. Elbert County is included in the Denver-Aurora-Lakewood, CO Metropolitan Statistical Area."