Cornell, IL
Full City Profile · Illinois · Livingston County County
3.7
/5.0
B+
Good
419
Population
645/sq mi density
$64,286
Median Income
$26,159 per capita
$83,800
Home Value
$180,604 Zillow
$871
Median Rent
18.8% income on rent
52°F
Avg Temperature
B+
Overall
3.7 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.8 / 5.0
$64,286 median income, 1.5% unemployment
A+
Affordability
5.0 / 5.0
$83,800 home value, $871/mo rent
C
Education
2.3 / 5.0
16.7% bachelor's degree or higher
Cornell experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 24°F in January while summers reach 77°F in July. Annual precipitation totals 39.4 inches. The area receives 26.4 inches of snow annually.
Temperature
24°F Jan (-5°C)
77°F Jul (25°C)
| Annual Average | 51.6°F |
| 4% below US avg | |
| January Average | 24°F (-5°C) |
| July Average | 77°F (25°C) |
Geography
| Elevation | 632 ft (193 m) |
| Area | 0.3 sq mi (0.6 km²) |
| Population Density | 645/sq mi |
| Coordinates | 40.9920°N, 88.7299°W |
| Timezone | America/Chicago |
| County | Livingston County County |
| Nearest Airport | Illinois Valley Regional-Walter A Duncan Field (VYS) 33 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 71.8 / 100 |
| Social Vulnerability | 30.4 / 100 |
| Community Resilience | 90.0 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 24°F (-5°C) | 2.6 in | Coldest |
| February | 28°F (-2°C) | 1.9 in | Driest |
| March | 39°F (4°C) | 2.8 in | |
| April | 51°F (11°C) | 3.7 in | |
| May | 63°F (17°C) | 4.7 in | Wettest |
| June | 73°F (23°C) | 4.7 in | |
| July | 77°F (25°C) | 4.1 in | Warmest |
| August | 74°F (23°C) | 3.7 in | |
| September | 66°F (19°C) | 3.6 in | |
| October | 54°F (12°C) | 3.0 in | |
| November | 41°F (5°C) | 2.6 in | |
| December | 30°F (-1°C) | 2.2 in |
Cornell has a seasonal temperature swing of 53°F / from 24°F in January to 77°F in July. Total annual precipitation is 39.4 inches, with May being the wettest month (4.7") and February the driest (1.9").