There are 9 US Post Offices in Henry County serving a total of 15,776 residents equating to 1,753 residents per post office. It's estimated that approximately 25,180 packages are handled across the 9 county post offices annually. Henry County is a county located in the U.S. state of Kentucky bordering the Kentucky River. As of the 2010 census, the population was 15,416. Its county seat is New Castle, but its largest city is Eminence. The county was founded in 1798 from portions of Shelby County. It was named for the statesman and governor of Virginia Patrick Henry. Henry County is included in the Louisville/Jefferson County, KY-IN Metropolitan Statistical Area. Since the 1990s, it has become an increasingly important exurb, especially as land prices have become higher in neighboring Oldham County. With regard to the sale of alcohol, it is classified as a wet county."