Mackay, ID
Full City Profile · Idaho · Butte County County
3.5
/5.0
B+
Good
719
Population
826/sq mi density
$41,474
Median Income
$27,238 per capita
$187,500
Home Value
$324,459 Zillow
$631
Median Rent
31.3% income on rent
42°F
Avg Temperature
B+
Overall
3.5 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.7 / 5.0
$41,474 median income, 0.0% unemployment
A
Affordability
4.1 / 5.0
$187,500 home value, $631/mo rent
C+
Education
2.6 / 5.0
20.1% bachelor's degree or higher
Mackay has a cool climate with an average annual temperature of 42°F (6°C). Winters average 19°F in January while summers reach 67°F in July. Annual precipitation totals 9.9 inches. The area receives 18.3 inches of snow annually. Air quality is rated Good with a median AQI of 42.
Temperature
19°F Jan (-7°C)
67°F Jul (19°C)
| Annual Average | 42.2°F |
| 22% below US avg | |
| January Average | 19°F (-7°C) |
| July Average | 67°F (19°C) |
Geography
| Elevation | 5,905 ft (1,800 m) |
| Area | 0.9 sq mi (2.2 km²) |
| Population Density | 826/sq mi |
| Coordinates | 43.9120°N, 113.6127°W |
| Timezone | America/Boise |
| County | Butte County County |
| Nearest Airport | Idaho Falls Regional (IDA) 82 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
| Good Days % | 84.9% |
| Unhealthy Days | 0 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0509 ppm |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 4.4 / 100 |
| Social Vulnerability | 45.7 / 100 |
| Community Resilience | 13.2 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Very Low |
| Drought | Very Low |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
| Volcano | Very Low |
| Avalanche | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Nearby Volcanoes
4 volcanoes within 200 km. Closest: Craters of the Moon (56 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Craters of the Moon | Pyroclastic cone(s) | 2,005 m (6,578 ft) | -130 | 56 km |
| Black Butte Crater Lava Field | Shield | 1,478 m (4,849 ft) | -8400 | 101 km |
| Hell's Half Acre | Shield | 1,631 m (5,351 ft) | -3250 | 104 km |
| Wapi Lava Field | Shield | 1,604 m (5,262 ft) | -300 | 119 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 19°F (-7°C) | 0.8 in | Coldest |
| February | 23°F (-5°C) | 0.5 in | Driest |
| March | 33°F (0°C) | 0.7 in | |
| April | 42°F (5°C) | 0.9 in | |
| May | 51°F (10°C) | 1.2 in | |
| June | 58°F (14°C) | 1.5 in | Wettest |
| July | 67°F (19°C) | 0.7 in | Warmest |
| August | 65°F (18°C) | 0.7 in | |
| September | 56°F (14°C) | 0.8 in | |
| October | 44°F (7°C) | 0.8 in | |
| November | 30°F (-1°C) | 0.5 in | |
| December | 19°F (-7°C) | 0.9 in |
Mackay has a seasonal temperature swing of 48°F / from 19°F in January to 67°F in July. Total annual precipitation is 9.9 inches, with June being the wettest month (1.5") and February the driest (0.5").