There are 17 US Post Offices in Shelby County serving a total of 189,008 residents equating to 11,118 residents per post office. It's estimated that approximately 301,678 packages are handled across the 17 county post offices annually. Shelby County is a county of the U.S. state of Alabama. As of the 2010 census the population was 195,085. The county seat is Columbiana. The county is named in honor of Isaac Shelby, Governor of Kentucky from 1792 to 1796 and again from 1812 to 1816. Shelby County is included in the Birmingham-Hoover, AL Metropolitan Statistical Area. It ranks among the 100 highest-income counties in the United States, and is the fastest-growing county in the state. Shelby County's growth has accompanied the stagnation of Birmingham and Jefferson County. The county's newspaper is the Shelby County Reporter."