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Elvaston, IL
Full City Profile · Illinois · Hancock County County
2.8
/5.0
C+
Fair
185
Population
231/sq mi density
$30,625
Median Income
$16,095 per capita
$70,800
Home Value
$120,751 Zillow
52°F
Avg Temperature
275 sunny days/yr
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
C
Economy
2.4 / 5.0
$30,625 median income, 0.0% unemployment
A+
Affordability
5.0 / 5.0
$70,800 home value, /mo rent
C+
Safety
2.5 / 5.0
0 violent crimes/100K
F
Education
1.4 / 5.0
4.7% bachelor's degree or higher
Elvaston experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 25°F in January while summers reach 76°F in July. The area gets 275 sunny days per year. Annual precipitation totals 39.8 inches. Air quality is rated Good with a median AQI of 43.
Temperature
25°F Jan (-4°C)
76°F Jul (25°C)
| Annual Average | 52.1°F |
| 4% below US avg | |
| January Average | 25°F (-4°C) |
| July Average | 76°F (25°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 658 ft (201 m) |
| Area | 0.8 sq mi (2.1 km²) |
| Population Density | 231/sq mi |
| Coordinates | 40.3956°N, 91.2488°W |
| Timezone | America/Chicago |
| County | Hancock County County |
| Nearest Airport | Southeast Iowa Regional (BRL) 28 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 31.1 / 100 |
| Social Vulnerability | 64.8 / 100 |
| Community Resilience | 61.4 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 25°F (-4°C) | 1.5 in | Coldest |
| February | 29°F (-2°C) | 1.3 in | Driest |
| March | 40°F (5°C) | 2.9 in | |
| April | 52°F (11°C) | 3.7 in | |
| May | 63°F (17°C) | 4.4 in | Wettest |
| June | 72°F (22°C) | 3.9 in | |
| July | 76°F (25°C) | 4.4 in | Warmest |
| August | 74°F (23°C) | 3.5 in | |
| September | 66°F (19°C) | 4.4 in | |
| October | 55°F (13°C) | 3.1 in | |
| November | 41°F (5°C) | 2.6 in | |
| December | 29°F (-2°C) | 2.0 in |
Elvaston has a seasonal temperature swing of 51°F / from 25°F in January to 76°F in July. Total annual precipitation is 37.7 inches, with May being the wettest month (4.4") and February the driest (1.3").