Warren Municipal Airport is a city owned, public use airport located two nautical miles (4 km) east of the central business district of Warren, a city in Marshall County, Minnesota, United States.Facilities and aircraftWarren Municipal Airport covers an area of 167 acres (68 ha) at an elevation of 888 feet (271 m) above mean sea level. It has two runways: 12/30 is 3,199 by 75 feet (975 x 23 m) with an asphalt surface and 4/22 is 2,578 by 200 feet (786 x 61 m) with a turf surface.For the 12-month period ending August 25, 2010, the airport had 19,000 general aviation aircraft operations, an average of 52 per day. At that time there were six aircraft based at this airport, all single-engine.