Places in Poplar River Township 4 places in Poplar River Township Poplar River Township SearchAll (4)Government Offices (1)Fitness & Recreation Centers (2)DMC Motorsports Fitness & Recreation Centers23506 US Highway 59 SEDMC Motorsports, LLC Fitness & Recreation Centers23506 US-59Humbleberry Farms 23636 State Highway 92 SEPoplar River Township, Red Lake County, Minnesota Government Offices