Galesburg Municipal Airport is a city-owned public-use airport located three miles (5 km) west of the central business district of Galesburg, a city in Knox County, Illinois, United States.Facilities and aircraftGalesburg Municipal Airport covers an area of 623acre which contains two asphalt paved runways: 3/21 measuring 5793by and 10/28 measuring 3601by. For the 12-month period ending December 31, 2005, the airport had 14,000 aircraft operations, an average of 38 per day: 79% general aviation, 18% air taxi and 3% military.