Northglenn, CO
Full City Profile · Colorado · Denver County County
2.9
/5.0
C+
Fair
37,953
Population
5,157/sq mi density
$79,530
Median Income
$37,233 per capita
$440,900
Home Value
$452,833 Zillow
$1,778
Median Rent
33.9% income on rent
52°F
Avg Temperature
437
Violent Crime/100K
2,628 property/100K
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
A
Economy
4.1 / 5.0
$79,530 median income, 4.5% unemployment
B+
Affordability
3.5 / 5.0
$440,900 home value, $1,778/mo rent
F
Safety
1.0 / 5.0
437 violent crimes/100K (15% above avg)
C+
Education
2.9 / 5.0
24.2% bachelor's degree or higher
Northglenn experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 34°F in January while summers reach 75°F in July. Annual precipitation totals 14.5 inches. The area receives 44.8 inches of snow annually. Air quality is rated Moderate with a median AQI of 55.
Temperature
34°F Jan (1°C)
75°F Jul (24°C)
| Annual Average | 52.4°F |
| 3% below US avg | |
| January Average | 34°F (1°C) |
| July Average | 75°F (24°C) |
Geography
| Elevation | 5,387 ft (1,642 m) |
| Area | 7.5 sq mi (19.3 km²) |
| Population Density | 5,157/sq mi |
| Coordinates | 39.9116°N, 104.9821°W |
| Timezone | America/Denver |
| County | Denver County County |
| Nearest Airport | Denver International (DEN) 17 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 55.0 |
| Rating | Moderate |
| Good Days % | 35.2% |
| Unhealthy Days | 29 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0480 ppm |
| NO₂ (Nitrogen Dioxide) | 26.5 ppb |
| SO₂ (Sulfur Dioxide) | 0.77 ppb |
| CO (Carbon Monoxide) | 0.36 ppm |
| PM2.5 (Fine Particles) | 6.9 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 95.2 / 100 |
| Social Vulnerability | 17.8 / 100 |
| Community Resilience | 68.5 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively High |
| Hail | Very High |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively High |
| Lightning | Very High |
| Ice Storm | Very Low |
| Drought | Very Low |
| Cold Wave | Relatively High |
| Landslide | Relatively Moderate |
| Volcano | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 34°F (1°C) | 0.5 in | Driest |
| February | 35°F (2°C) | 0.5 in | |
| March | 43°F (6°C) | 1.2 in | |
| April | 50°F (10°C) | 1.9 in | |
| May | 58°F (15°C) | 2.4 in | Wettest |
| June | 69°F (21°C) | 1.5 in | |
| July | 75°F (24°C) | 1.7 in | Warmest |
| August | 73°F (23°C) | 1.3 in | |
| September | 65°F (18°C) | 1.2 in | |
| October | 52°F (11°C) | 1.1 in | |
| November | 41°F (5°C) | 0.7 in | |
| December | 33°F (1°C) | 0.5 in | Coldest |
Northglenn has a seasonal temperature swing of 42°F / from 33°F in December to 75°F in July. Total annual precipitation is 14.5 inches, with May being the wettest month (2.4") and January the driest (0.5").