Outagamie i 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. ==History== `Outagamie,....