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Eldorado, IL
Full City Profile · Illinois · Saline County County
2.9
/5.0
C+
Fair
3,762
Population
1,505/sq mi density
$39,766
Median Income
$37,255 per capita
$68,600
Home Value
$75,446 Zillow
$630
Median Rent
27.8% income on rent
57°F
Avg Temperature
305 sunny days/yr
178
Violent Crime/100K
2,614 property/100K
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
B
Economy
3.4 / 5.0
$39,766 median income, 0.6% unemployment
A+
Affordability
5.0 / 5.0
$68,600 home value, $630/mo rent
F
Safety
1.0 / 5.0
178 violent crimes/100K
C
Education
2.3 / 5.0
15.9% bachelor's degree or higher
Eldorado enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 33°F in January while summers reach 79°F in July. The area gets 305 sunny days per year. Annual precipitation totals 47.6 inches. Air quality is rated Good with a median AQI of 43.
Temperature
33°F Jan (1°C)
79°F Jul (26°C)
| Annual Average | 57.3°F |
| 6% above US avg | |
| January Average | 33°F (1°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 305 days/yr |
Geography
| Elevation | 388 ft (118 m) |
| Area | 2.5 sq mi (6.5 km²) |
| Population Density | 1,505/sq mi |
| Coordinates | 37.8117°N, 88.4416°W |
| Timezone | America/Chicago |
| County | Saline County County |
| Nearest Airport | Evansville Regional (EVV) 52 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 70.1 / 100 |
| Social Vulnerability | 84.7 / 100 |
| Community Resilience | 61.5 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Low |
| Ice Storm | Relatively Moderate |
| 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 | 33°F (1°C) | 3.0 in | Coldest |
| February | 36°F (2°C) | 3.2 in | |
| March | 46°F (8°C) | 4.7 in | |
| April | 57°F (14°C) | 4.5 in | |
| May | 66°F (19°C) | 4.8 in | Wettest |
| June | 74°F (24°C) | 4.2 in | |
| July | 79°F (26°C) | 4.0 in | Warmest |
| August | 76°F (25°C) | 3.3 in | |
| September | 70°F (21°C) | 3.0 in | |
| October | 58°F (15°C) | 3.0 in | Driest |
| November | 47°F (8°C) | 4.2 in | |
| December | 37°F (3°C) | 3.9 in |
Eldorado has a seasonal temperature swing of 45°F / from 33°F in January to 79°F in July. Total annual precipitation is 45.7 inches, with May being the wettest month (4.8") and October the driest (3.0").