Bellflower, IL
Full City Profile · Illinois · McLean County County
3.9
/5.0
B+
Good
410
Population
1,108/sq mi density
$79,583
Median Income
$31,731 per capita
$117,600
Home Value
$153,697 Zillow
$875
Median Rent
17.5% income on rent
51°F
Avg Temperature
B+
Overall
3.9 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.3 / 5.0
$79,583 median income, 4.0% unemployment
A+
Affordability
5.0 / 5.0
$117,600 home value, $875/mo rent
C
Education
2.4 / 5.0
16.9% bachelor's degree or higher
Bellflower experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 24°F in January while summers reach 74°F in July. Annual precipitation totals 41.4 inches. The area receives 17.4 inches of snow annually. Air quality is rated Good with a median AQI of 44.
Temperature
24°F Jan (-4°C)
74°F Jul (23°C)
| Annual Average | 50.7°F |
| 6% below US avg | |
| January Average | 24°F (-4°C) |
| July Average | 74°F (23°C) |
Geography
| Elevation | 791 ft (241 m) |
| Area | 0.1 sq mi (0.4 km²) |
| Population Density | 1,108/sq mi |
| Coordinates | 40.3406°N, 88.5256°W |
| Timezone | America/Chicago |
| County | McLean County County |
| Nearest Airport | Central Il Regional/Bloomington-Normal (BMI) 23 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 44.0 |
| Rating | Good |
| Good Days % | 69.4% |
| Unhealthy Days | 1 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0482 ppm |
| PM2.5 (Fine Particles) | 8.8 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 86.9 / 100 |
| Social Vulnerability | 15.1 / 100 |
| Community Resilience | 95.5 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Moderate |
| Drought | Relatively High |
| Cold Wave | Relatively High |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 24°F (-4°C) | 2.4 in | Coldest |
| February | 28°F (-2°C) | 2.3 in | Driest |
| March | 39°F (4°C) | 2.8 in | |
| April | 50°F (10°C) | 4.0 in | |
| May | 62°F (17°C) | 4.5 in | |
| June | 71°F (22°C) | 5.1 in | Wettest |
| July | 74°F (23°C) | 4.3 in | Warmest |
| August | 72°F (22°C) | 3.7 in | |
| September | 66°F (19°C) | 3.5 in | |
| October | 53°F (12°C) | 3.3 in | |
| November | 40°F (5°C) | 3.2 in | |
| December | 29°F (-1°C) | 2.5 in |
Bellflower has a seasonal temperature swing of 50°F / from 24°F in January to 74°F in July. Total annual precipitation is 41.4 inches, with June being the wettest month (5.1") and February the driest (2.3").