Winnebago County is a county in the U.S. state of Iowa. As of the 2020 census, the population was 10,679. The county seat is Forest City. The county was founded in 1847 and named after the Native American tribe. It is the location of the motor homes manufacturer Winnebago Industries.

Winnebago Industries, Inc. is an American manufacturer of motorhomes, a type of recreational vehicle (RV), in the United States. In 2018, the company expanded into motorboat manufacturing with the acquisition of Chris-Craft Corporation. Winnebago has also manufactured light-to-medium utility vehicles as well as other products. The company is named after Winnebago County, Iowa, where it used to be headquartered. The county is named after the Native American tribe who have historically lived in the area. During the 1970s and 1980s, Winnebago Industries depended on Native American history and traditions in naming their products, for example "Chieftain" and "Brave." They also used Native American iconography and patterns in their designs and period advertisements.