There are 5 US Post Offices in Pulaski County serving a total of 13,736 residents equating to 2,747 residents per post office. It's estimated that approximately 21,924 packages are handled across the 5 county post offices annually. Pulaski County (/p\u028a\u02c8l\u00e6ska\u026a/ puu-LASK-eye) is a county located in the U.S. state of Indiana. According to the 2010 U.S. census, the population was 13,402. The county seat is Winamac."