According to the official website, "cash and credit cards are accepted at all of the Iowa State Fair food stands and vendors." Thrill Parks & RidesThere are three main areas for carnival rides & games at the Iowa State Fair, plus a few stand-alone favorites. Last, but certainly not least, it's the Iowa State Fair BUTTER COW! For everything you need to know about the 2026 Iowa State Fair, check out the fair's official website HERE. Get our free mobile appAll of the Best New Fair Food Winners at the Iowa State Fair The Iowa State Fair has been hosting their Best New Fair Food Contest since 2013.