Iowa County Airport
IATA: none ICAO: KMRJ FAA LID: MRJ
Summary
Airport type	Public
Owner	Iowa County
Serves	Mineral Point, Wisconsin
Time zone	CST (UTC−06:00)
• Summer (DST)	CDT (UTC−05:00)
Elevation AMSL	1,170 ft / 357 m
Coordinates	42°53′13″N 090°14′12″W / 42.88694°N 90.23667°W / 42.88694; -90.23667
Map
MRJ Location of airport in Wisconsin Show map of Wisconsin MRJ MRJ (the United States) Show map of the United States
Runways
Direction Length Surface ft m 11/29 5,001 1,524 Asphalt 4/22 3,600 1,097 Asphalt
Statistics
Aircraft operations (2021) 6,750 Based aircraft (2024) 31
Source: Federal Aviation Administration[1]

Iowa County Airport (ICAO: KMRJ, FAA LID: MRJ) 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.^[1] It is included in the Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2021–2025, in which it is categorized as a local general aviation facility.^[2]

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^[3] (which assigned MRJ to Marcala Airport in Marcala, Honduras).^[4]

Facilities and aircraft

Iowa County Airport covers an area of 383 acres (155 ha) at an elevation of 1,170 feet (357 m) above mean sea level. It has two runways with asphalt surfaces: the primary runway 11/29 is 5,001 by 75 feet (1,524 x 23 m) and the crosswind runway 4/22 is 3,600 by 60 feet (1,097 x 18 m).^[1]

For the 12-month period ending April 22, 2021, the airport had 6,750 aircraft operations, an average of 18 per day: 82% general aviation, 11% air taxi and 7% military. In January 2024, there were 31 aircraft based at this airport: 26 single-engine, 2 multi-engine and 3 helicopter.^[1]

Cargo operations