There are 9 US Post Offices in Chippewa County serving a total of 60,954 residents equating to 6,773 residents per post office. It's estimated that approximately 97,289 packages are handled across the 9 county post offices annually. Chippewa County is a county located in the U.S. state of Wisconsin. As of the 2010 census, the population was 62,415. Its county seat is Chippewa Falls. The county was founded in 1845 from Crawford County, then in the Wisconsin Territory, and organized in 1853. Chippewa County is included in the Eau Claire, WI Metropolitan Statistical Area as well as the Eau Claire-Menomonie, WI Combined Statistical Area."