Eau Claire is a city in Eau Claire and Chippewa counties in the west-central part of the U.S. state of Wisconsin. Located almost entirely in Eau Claire County, for which it is the county seat, the city had an estimated population of 68,802 in 2019, making it the state's eighth-largest city. Eau Claire is the principal city of the Eau Claire, Wisconsin Metropolitan Statistical Area, which is a part of the Eau Claire-Menomonie Combined Statistical Area.