There are 2 US Post Offices in Stanton County serving a total of 2,278 residents equating to 1,139 residents per post office. It's estimated that approximately 3,636 packages are handled across the 2 county post offices annually. Stanton County (standard abbreviation: ST) is a county located in the U.S. state of Kansas. As of the 2010 census, the county population was 2,235. Its county seat is Johnson City."