Milledgeville, IL
Full City Profile · Illinois · Whiteside County County
3.3
/5.0
B
Good
1,199
Population
1,738/sq mi density
$59,688
Median Income
$31,759 per capita
$89,200
Home Value
$158,827 Zillow
$629
Median Rent
16.2% income on rent
49°F
Avg Temperature
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.5 / 5.0
$59,688 median income, 5.7% unemployment
A+
Affordability
5.0 / 5.0
$89,200 home value, $629/mo rent
C+
Safety
2.5 / 5.0
0 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 49°F (9°C). Winters average 22°F in January while summers reach 73°F in July. Annual precipitation totals 37.5 inches. The area receives 28.8 inches of snow annually.
Temperature
22°F Jan (-6°C)
73°F Jul (23°C)
| Annual Average | 49.3°F |
| 9% below US avg | |
| January Average | 22°F (-6°C) |
| July Average | 73°F (23°C) |
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
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 | 22°F (-6°C) | 1.2 in | Coldest, Driest |
| February | 26°F (-4°C) | 1.6 in | |
| March | 38°F (3°C) | 2.4 in | |
| April | 49°F (10°C) | 3.9 in | |
| May | 61°F (16°C) | 4.3 in | |
| June | 71°F (21°C) | 5.2 in | Wettest |
| July | 73°F (23°C) | 4.9 in | Warmest |
| August | 71°F (22°C) | 3.9 in | |
| September | 64°F (18°C) | 3.4 in | |
| October | 52°F (11°C) | 2.9 in | |
| November | 39°F (4°C) | 2.3 in | |
| December | 27°F (-3°C) | 1.7 in |
Milledgeville has a seasonal temperature swing of 51°F / from 22°F in January to 73°F in July. Total annual precipitation is 37.5 inches, with June being the wettest month (5.2") and January the driest (1.2").