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Jerome, ID
Full City Profile · Idaho · Jerome County County
2.8
/5.0
C+
Fair
12,689
Population
2,242/sq mi density
$65,343
Median Income
$27,666 per capita
$214,900
Home Value
$393,311 Zillow
$900
Median Rent
23.1% income on rent
50°F
Avg Temperature
302 sunny days/yr
352
Violent Crime/100K
1,317 property/100K
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
B+
Economy
3.7 / 5.0
$65,343 median income, 3.3% unemployment
A+
Affordability
4.8 / 5.0
$214,900 home value, $900/mo rent
F
Safety
1.0 / 5.0
352 violent crimes/100K
D
Education
1.8 / 5.0
9.7% bachelor's degree or higher
Jerome experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 29°F in January while summers reach 75°F in July. The area gets 302 sunny days per year. Annual precipitation totals 10.5 inches. Air quality is rated Good with a median AQI of 33.
Temperature
29°F Jan (-2°C)
75°F Jul (24°C)
| Annual Average | 50.1°F |
| 7% below US avg | |
| January Average | 29°F (-2°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 302 days/yr |
Geography
| Elevation | 3,763 ft (1,147 m) |
| Area | 5.5 sq mi (14.3 km²) |
| Population Density | 2,242/sq mi |
| Coordinates | 42.7181°N, 114.5158°W |
| Timezone | America/Boise |
| County | Jerome County County |
| Nearest Airport | Joslin Field/Magic Valley Regional (TWF) 16 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 33.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 21.5 / 100 |
| Social Vulnerability | 68.9 / 100 |
| Community Resilience | 3.1 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Moderate |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively High |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | Very Low |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
| Volcano | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Nearby Volcanoes
4 volcanoes within 200 km. Closest: Black Butte Crater Lava Field (53 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Black Butte Crater Lava Field | Shield | 1,478 m (4,849 ft) | -8400 | 53 km |
| Wapi Lava Field | Shield | 1,604 m (5,262 ft) | -300 | 107 km |
| Craters of the Moon | Pyroclastic cone(s) | 2,005 m (6,578 ft) | -130 | 114 km |
| Hell's Half Acre | Shield | 1,631 m (5,351 ft) | -3250 | 189 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 29°F (-2°C) | 1.3 in | Coldest, Wettest |
| February | 33°F (0°C) | 0.9 in | |
| March | 41°F (5°C) | 1.1 in | |
| April | 48°F (9°C) | 0.8 in | |
| May | 56°F (13°C) | 1.0 in | |
| June | 65°F (18°C) | 0.8 in | |
| July | 75°F (24°C) | 0.2 in | Warmest, Driest |
| August | 70°F (21°C) | 0.3 in | |
| September | 60°F (16°C) | 0.5 in | |
| October | 50°F (10°C) | 0.7 in | |
| November | 38°F (3°C) | 1.3 in | |
| December | 29°F (-2°C) | 1.2 in |
Jerome has a seasonal temperature swing of 46°F / from 29°F in January to 75°F in July. Total annual precipitation is 10.3 inches, with January being the wettest month (1.3") and July the driest (0.2").