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Firth, ID
Full City Profile · Idaho · Bingham County County
2.9
/5.0
C+
Fair
381
Population
657/sq mi density
$49,167
Median Income
$24,757 per capita
$197,900
Home Value
$421,576 Zillow
$718
Median Rent
34.2% income on rent
47°F
Avg Temperature
302 sunny days/yr
23
Violent Crime/100K
1,185 property/100K
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
B+
Economy
3.7 / 5.0
$49,167 median income, 0.0% unemployment
A
Affordability
4.4 / 5.0
$197,900 home value, $718/mo rent
F
Safety
1.0 / 5.0
23 violent crimes/100K
C
Education
2.4 / 5.0
17.4% bachelor's degree or higher
Firth experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 24°F in January while summers reach 71°F in July. The area gets 302 sunny days per year. Annual precipitation totals 12.1 inches. The area receives 14.7 inches of snow annually. Air quality is rated Good with a median AQI of 33.
Temperature
24°F Jan (-4°C)
71°F Jul (22°C)
| Annual Average | 47.2°F |
| 13% below US avg | |
| January Average | 24°F (-4°C) |
| July Average | 71°F (22°C) |
| Sunny Days | 302 days/yr |
Geography
| Elevation | 4,567 ft (1,392 m) |
| Area | 0.5 sq mi (1.4 km²) |
| Population Density | 657/sq mi |
| Coordinates | 43.3058°N, 112.1835°W |
| Timezone | America/Boise |
| County | Bingham County County |
| Nearest Airport | Idaho Falls Regional (IDA) 15 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 33.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 60.2 / 100 |
| Social Vulnerability | 27.1 / 100 |
| Community Resilience | 28.0 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Relatively Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively Moderate |
| Ice Storm | Very Low |
| Drought | Very Low |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
| Volcano | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Hell's Half Acre (31 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Hell's Half Acre | Shield | 1,631 m (5,351 ft) | -3250 | 31 km |
| Wapi Lava Field | Shield | 1,604 m (5,262 ft) | -300 | 97 km |
| Craters of the Moon | Pyroclastic cone(s) | 2,005 m (6,578 ft) | -130 | 107 km |
| Yellowstone | Caldera(s) | 2,805 m (9,203 ft) | -1350 | 174 km |
| Black Butte Crater Lava Field | Shield | 1,478 m (4,849 ft) | -8400 | 176 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 24°F (-4°C) | 1.0 in | |
| February | 27°F (-3°C) | 0.9 in | |
| March | 36°F (2°C) | 0.9 in | |
| April | 44°F (7°C) | 1.0 in | |
| May | 53°F (12°C) | 1.3 in | Wettest |
| June | 61°F (16°C) | 1.2 in | |
| July | 71°F (22°C) | 0.7 in | Warmest |
| August | 67°F (19°C) | 0.6 in | Driest |
| September | 57°F (14°C) | 0.9 in | |
| October | 46°F (8°C) | 0.9 in | |
| November | 33°F (1°C) | 1.1 in | |
| December | 23°F (-5°C) | 1.0 in | Coldest |
Firth has a seasonal temperature swing of 48°F / from 23°F in December to 71°F in July. Total annual precipitation is 11.5 inches, with May being the wettest month (1.3") and August the driest (0.6").