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Lena, IL
Full City Profile · Illinois · Stephenson County County
3.4
/5.0
B
Good
2,778
Population
1,048/sq mi density
$76,076
Median Income
$39,319 per capita
$154,000
Home Value
$199,034 Zillow
$647
Median Rent
22.0% income on rent
48°F
Avg Temperature
260 sunny days/yr
330
Violent Crime/100K
1,707 property/100K
B
Overall
3.4 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.5 / 5.0
$76,076 median income, 1.9% unemployment
A+
Affordability
5.0 / 5.0
$154,000 home value, $647/mo rent
F
Safety
1.0 / 5.0
330 violent crimes/100K
B
Education
3.2 / 5.0
27.7% bachelor's degree or higher
Lena experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 20°F in January while summers reach 72°F in July. The area gets 260 sunny days per year. Annual precipitation totals 38.7 inches. The area receives 35.7 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
20°F Jan (-7°C)
72°F Jul (22°C)
| Annual Average | 47.9°F |
| 11% below US avg | |
| January Average | 20°F (-7°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 260 days/yr |
Geography
| Elevation | 956 ft (291 m) |
| Area | 2.6 sq mi (6.7 km²) |
| Population Density | 1,048/sq mi |
| Coordinates | 42.3786°N, 89.8217°W |
| Timezone | America/Chicago |
| County | Stephenson County County |
| Nearest Airport | Chicago/Rockford International (RFD) 39 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 73.9 / 100 |
| Social Vulnerability | 56.7 / 100 |
| Community Resilience | 68.6 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Moderate |
| 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 | 20°F (-7°C) | 1.1 in | Coldest |
| February | 22°F (-5°C) | 1.1 in | Driest |
| March | 34°F (1°C) | 2.3 in | |
| April | 47°F (8°C) | 3.2 in | |
| May | 59°F (15°C) | 3.7 in | |
| June | 68°F (20°C) | 4.1 in | |
| July | 72°F (22°C) | 3.7 in | Warmest |
| August | 70°F (21°C) | 4.1 in | Wettest |
| September | 62°F (17°C) | 3.9 in | |
| October | 50°F (10°C) | 2.6 in | |
| November | 36°F (2°C) | 2.4 in | |
| December | 23°F (-5°C) | 1.8 in |
Lena has a seasonal temperature swing of 52°F / from 20°F in January to 72°F in July. Total annual precipitation is 34.0 inches, with August being the wettest month (4.1") and February the driest (1.1").