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Milledgeville, IL
Full City Profile · Illinois · Whiteside County County
3.0
/5.0
B
Good
1,199
Population
1,738/sq mi density
$59,688
Median Income
$31,759 per capita
$89,200
Home Value
$145,875 Zillow
$629
Median Rent
16.2% income on rent
48°F
Avg Temperature
275 sunny days/yr
106
Violent Crime/100K
635 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.8 / 5.0
$59,688 median income, 3.6% unemployment
A+
Affordability
5.0 / 5.0
$89,200 home value, $629/mo rent
F
Safety
1.0 / 5.0
106 violent crimes/100K
C
Education
2.2 / 5.0
14.8% bachelor's degree or higher
Milledgeville experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 20°F in January while summers reach 73°F in July. The area gets 275 sunny days per year. Annual precipitation totals 38.3 inches. The area receives 31.5 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
20°F Jan (-6°C)
73°F Jul (23°C)
| Annual Average | 48.3°F |
| 11% below US avg | |
| January Average | 20°F (-6°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 764 ft (233 m) |
| Area | 0.3 sq mi (0.7 km²) |
| Population Density | 1,738/sq mi |
| Coordinates | 41.9637°N, 89.7747°W |
| Timezone | America/Chicago |
| County | Whiteside County County |
| Nearest Airport | Chicago/Rockford International (RFD) 38 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 65.8 / 100 |
| Social Vulnerability | 43.6 / 100 |
| Community Resilience | 81.7 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| 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 | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 20°F (-6°C) | 1.4 in | Coldest |
| February | 24°F (-5°C) | 1.4 in | Driest |
| March | 36°F (2°C) | 2.6 in | |
| April | 48°F (9°C) | 3.6 in | |
| May | 60°F (15°C) | 4.5 in | |
| June | 69°F (21°C) | 4.7 in | Wettest |
| July | 73°F (23°C) | 3.6 in | Warmest |
| August | 70°F (21°C) | 4.4 in | |
| September | 63°F (17°C) | 3.5 in | |
| October | 51°F (11°C) | 2.8 in | |
| November | 37°F (3°C) | 2.8 in | |
| December | 24°F (-4°C) | 2.0 in |
Milledgeville has a seasonal temperature swing of 52°F / from 20°F in January to 73°F in July. Total annual precipitation is 37.3 inches, with June being the wettest month (4.7") and February the driest (1.4").