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Blanca, CO
Full City Profile · Colorado · Costilla County County
2.7
/5.0
C+
Fair
326
Population
178/sq mi density
$48,750
Median Income
$19,394 per capita
$117,200
Home Value
$179,030 Zillow
44°F
Avg Temperature
330 sunny days/yr
183
Violent Crime/100K
3,296 property/100K
C+
Overall
2.7 / 5.0
Fair overall score based on economy, affordability, safety and education
B
Economy
3.3 / 5.0
$48,750 median income, 6.4% unemployment
A+
Affordability
5.0 / 5.0
$117,200 home value, /mo rent
F
Safety
1.0 / 5.0
183 violent crimes/100K
D
Education
1.7 / 5.0
8.7% bachelor's degree or higher
Blanca has a cool climate with an average annual temperature of 44°F (7°C). Winters average 20°F in January while summers reach 66°F in July. The area gets 330 sunny days per year. Annual precipitation totals 9.8 inches. Air quality is rated Good with a median AQI of 41.
Temperature
20°F Jan (-7°C)
66°F Jul (19°C)
| Annual Average | 43.5°F |
| 19% below US avg | |
| January Average | 20°F (-7°C) |
| July Average | 66°F (19°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 7,762 ft (2,366 m) |
| Area | 1.8 sq mi (4.6 km²) |
| Population Density | 178/sq mi |
| Coordinates | 37.4393°N, 105.5135°W |
| Timezone | America/Denver |
| County | Costilla County County |
| Nearest Airport | San Luis Valley Regional/Bergman Field (ALS) 19 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 6.6 / 100 |
| Social Vulnerability | 96.5 / 100 |
| Community Resilience | 0.6 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Very Low |
| Drought | Relatively Moderate |
| Cold Wave | Very Low |
| Landslide | Relatively Low |
| Volcano | No Rating |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 20°F (-7°C) | 0.3 in | Coldest, Driest |
| February | 26°F (-3°C) | 0.3 in | |
| March | 35°F (1°C) | 0.5 in | |
| April | 42°F (6°C) | 0.5 in | |
| May | 51°F (11°C) | 0.9 in | |
| June | 61°F (16°C) | 0.8 in | |
| July | 66°F (19°C) | 1.7 in | Warmest |
| August | 64°F (18°C) | 1.9 in | Wettest |
| September | 57°F (14°C) | 1.1 in | |
| October | 45°F (7°C) | 0.9 in | |
| November | 32°F (-0°C) | 0.6 in | |
| December | 21°F (-6°C) | 0.4 in |
Blanca has a seasonal temperature swing of 45°F / from 20°F in January to 66°F in July. Total annual precipitation is 9.9 inches, with August being the wettest month (1.9") and January the driest (0.3").