There are 8 US Post Offices in Christian County serving a total of 74,308 residents equating to 9,289 residents per post office. It's estimated that approximately 118,604 packages are handled across the 8 county post offices annually. Christian County is a county located in the U.S. state of Kentucky. As of the 2010 census, the population was 73,955. Its county seat is Hopkinsville. The county was formed in 1797. Christian County is part of the Clarksville, TN\u2013KY Metropolitan Statistical Area."