Polk County, WI Events Event Categories Fairs Pumpkin Patch Pumpkin Patches Polk County Event OutlookAugust 21, 2025 89th Annual Osceola Community Fair - OsceolaAugust 23, 2025 Bergmanns Pumpkin Patch - Saint Croix FallsSeptember 12, 2025 Bergmanns Pumpkin Patch - Saint Croix Falls View our full calendar of events