There are 5 US Post Offices in Chambers County serving a total of 36,551 residents equating to 7,310 residents per post office. It's estimated that approximately 58,339 packages are handled across the 5 county post offices annually. Chambers County is a county of the U.S. state of Alabama. As of the 2010 census the population was 34,215. Its county seat is Lafayette. Its name is in honor of Henry H. Chambers, who served as a United States Senator from Alabama. Chambers County is included in the Valley, AL Micropolitan Statistical Area and the Columbus-Auburn-Opelika, GA-AL Combined Statistical Area."