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Caldwell, ID
Full City Profile · Idaho · Canyon County County
2.8
/5.0
C+
Fair
63,465
Population
2,525/sq mi density
$66,663
Median Income
$25,166 per capita
$322,100
Home Value
$391,693 Zillow
$1,135
Median Rent
31.6% income on rent
52°F
Avg Temperature
302 sunny days/yr
350
Violent Crime/100K
1,721 property/100K
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
B+
Economy
3.9 / 5.0
$66,663 median income, 3.3% unemployment
B+
Affordability
4.0 / 5.0
$322,100 home value, $1,135/mo rent
F
Safety
1.0 / 5.0
350 violent crimes/100K
C
Education
2.4 / 5.0
17.8% bachelor's degree or higher
Caldwell experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 31°F in January while summers reach 75°F in July. The area gets 302 sunny days per year. Annual precipitation totals 11.0 inches. The area receives 9.7 inches of snow annually. Air quality is rated Good with a median AQI of 33.
Temperature
31°F Jan (-0°C)
75°F Jul (24°C)
| Annual Average | 52.0°F |
| 4% below US avg | |
| January Average | 31°F (-0°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 302 days/yr |
Geography
| Elevation | 2,395 ft (730 m) |
| Area | 22.1 sq mi (57.3 km²) |
| Population Density | 2,525/sq mi |
| Coordinates | 43.6459°N, 116.6593°W |
| Timezone | America/Boise |
| County | Canyon County County |
| Nearest Airport | Boise Air Trml/Gowen Field (BOI) 23 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 33.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| PM2.5 (Fine Particles) | 7.0 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 71.7 / 100 |
| Social Vulnerability | 18.5 / 100 |
| Community Resilience | 42.4 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Relatively Moderate |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Moderate |
| Winter Weather | Very High |
| Lightning | Relatively High |
| Ice Storm | Relatively Moderate |
| 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
3 volcanoes within 200 km. Closest: Jordan Craters (85 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Jordan Craters | Volcanic field | 1,473 m (4,833 ft) | -1250 | 85 km |
| Diamond Craters | Volcanic field | 1,435 m (4,708 ft) | -5610 | 180 km |
| Black Butte Crater Lava Field | Shield | 1,478 m (4,849 ft) | -8400 | 193 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-0°C) | 1.3 in | Wettest |
| February | 36°F (2°C) | 1.0 in | |
| March | 44°F (7°C) | 1.2 in | |
| April | 51°F (10°C) | 1.1 in | |
| May | 59°F (15°C) | 0.9 in | |
| June | 67°F (19°C) | 0.8 in | |
| July | 75°F (24°C) | 0.3 in | Warmest, Driest |
| August | 72°F (22°C) | 0.4 in | |
| September | 62°F (17°C) | 0.7 in | |
| October | 52°F (11°C) | 0.8 in | |
| November | 39°F (4°C) | 1.3 in | |
| December | 31°F (-1°C) | 1.2 in | Coldest |
Caldwell has a seasonal temperature swing of 45°F / from 31°F in December to 75°F in July. Total annual precipitation is 10.9 inches, with January being the wettest month (1.3") and July the driest (0.3").