Iowa County Airport is a county owned public use airport located three nautical miles (6 km) northwest of the central business district of Mineral Point, a city in Iowa County, Wisconsin, United States. It is included in the Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2017–2021, in which it is categorized as a local general aviation facility.Although many U.S. airports use the same three-letter location identifier for the FAA and IATA, this facility is assigned MRJ by the FAA but has no designation from the IATA (which assigned MRJ to Marcala Airport in Marcala, Honduras).Facilities and aircraftIowa County Airport covers an area of 244 acres (99 ha) at an elevation of 1,170 feet (357 m) above mean sea level. It has two runways with asphalt surfaces: 11/29 is 5,001 by 75 feet (1,524 x 23 m) and 4/22 is 3,600 by 60 feet (1,097 x 18 m).