There are 14 US Post Offices in Outagamie County serving a total of 122,552 residents equating to 8,754 residents per post office. It's estimated that approximately 195,607 packages are handled across the 14 county post offices annually. Outagamie /\u02cca\u028at\u0259\u02c8\u0261\u00e6mi/ is a county in the northeast region of the U.S. state of Wisconsin. As of the 2010 census, the population was 176,695. Its county seat is Appleton. Outagamie County is included in the Appleton, WI Metropolitan Statistical Area, which is also included in the Appleton-Neenah-Oshkosh, WI Combined Statistical Area. It was named for the historic Meskwaki (Fox) Indians."