Prehistoric cultural affiliation(s) include Paleo-Indian, Archaic and Oneota dating back to 7499 BC.
Some of the country's most noteable architects helped create the Winnebago County places including William Waters, Fred Root, Charles Sumner Frost, C. R. Mever, Julius Dreger and Charles Hove. Prominent architectural styles found in Winnebago Country are Late Victorian, Classical Revival and Italianate.