Mineral Point, Wisconsin
KMRJ Iowa County
Iowa County (KMRJ) is a non-towered, public-use airport in Mineral Point, Wisconsin, at 1,170.7 ft MSL. It has 2 runways: 04/22 (3,600 by 60 ft, asphalt), 11/29 (5,001 by 75 ft, asphalt). CTAF 122.8.
FAA NASR data effective Oct 29, 2026. Not for navigation; verify with current FAA charts and the Chart Supplement.
Airport
At a glance
- Identifiers
- ICAO KMRJ, FAA MRJ
- Location
- Mineral Point, Wisconsin (Iowa County). 3 NM NW of the city center
- Elevation
- 1,170.7 ft MSL
- Position
- 42.8869° N, 90.2367° W
- Control tower
- No, non-towered
- Sectional chart
- Chicago
- Magnetic variation
- 0° W (2000)
- Fuel
- 100LL, Jet A+
- Ownership
- Publicly owned, open to the public
- Attendance
- MON-FRI 0600-1600; SAT-SUN ON CALL
2 runways
Runways
| Runway | Length × width | Surface | Edge lights |
|---|---|---|---|
| 04/22 | 3,600 × 60 ft | Asphalt, good condition | Medium intensity |
| 11/29 | 5,001 × 75 ft | Asphalt, excellent condition | Medium intensity |
Runway ends and traffic pattern
| End | Pattern | Glide slope lights | Instrument | Displaced threshold | Landing distance |
|---|---|---|---|---|---|
| 04 | Left traffic | 2-light PAPI, left | None listed | None listed | Not listed |
| 22 | Left traffic | 2-light PAPI, left | None listed | None listed | Not listed |
| 11 | Not stated | 2-light PAPI, left | None listed | None listed | Not listed |
| 29 | Not stated | 2-light PAPI, left | None listed | None listed | Not listed |
VHF
Frequencies
- CTAF
- 122.8
- UNICOM
- 122.8
Weather station
- AWOS-3 MRJ
- 118.525
Before you go
Brief KMRJ in Ascent EFB.
Current weather, NOTAMs and the airport diagram for Iowa County, in the app on iPhone and iPad.
Not for navigation. Verify with current FAA charts and the Chart Supplement before flight.
Source: FAA NASR 28-day subscription, cycle effective Oct 29, 2026. Airport data changes every 28 days and NOTAMs can override it at any time.