Eau Claire (/oʊˈklɛər/; French: [o klɛʁ]) (French for "clear water") is a city mostly located in Eau Claire County, Wisconsin, of which it is the county seat, and with a small portion in Chippewa County, Wisconsin. It had a population of 69,421 in 2020, making it the state's eighth-largest city. Eau Claire is the principal city of the Eau Claire, Wisconsin Metropolitan Statistical Area, locally known as the Chippewa Valley, and is also part of the larger Eau Claire-Menomonie Combined Statistical Area.