Union County Post Offices

104 N Main St
Brownsville, Indiana 47325

29 E Union St
Liberty, Indiana 47353

Union County

There are 2 US Post Offices in Union County serving a total of 6,546 residents equating to 3,273 residents per post office. It's estimated that approximately 10,448 packages are handled across the 2 county post offices annually. Union County is a county located in the U.S. state of Indiana. As of 2010, the population was 7,516. The county seat is Liberty."