Appleton is a city in Outagamie (mostly), Calumet, and Winnebago counties in the U.S. state of Wisconsin. One of the Fox Cities, it is situated on the Fox River, 30 mi southwest of Green Bay and 100 mi north of Milwaukee. Appleton is the county seat of Outagamie County. The population was 72,623 at the 2010 census. Of this figure, 60,045 resided in Outagamie County, 11,088 in Calumet County, and 1,490 in Winnebago County. Appleton is the principal city of the Appleton, Wisconsin Metropolitan Statistical Area, which is included in the Appleton-Oshkosh-Neenah Combined Statistical Area, the third largest in the state behind Milwaukee and Madison.