Dover, IL
Full City Profile · Illinois · Bureau County County
3.6
/5.0
B+
Good
122
Population
452/sq mi density
$44,766
Median Income
$31,984 per capita
$108,900
Home Value
$165,646 Zillow
$825
Median Rent
17.9% income on rent
50°F
Avg Temperature
B+
Overall
3.6 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.6 / 5.0
$44,766 median income, 3.7% unemployment
A+
Affordability
5.0 / 5.0
$108,900 home value, $825/mo rent
C
Education
2.1 / 5.0
13.3% bachelor's degree or higher
Dover experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 22°F in January while summers reach 74°F in July. Annual precipitation totals 39.8 inches. The area receives 28.5 inches of snow annually.
Temperature
22°F Jan (-6°C)
74°F Jul (23°C)
| Annual Average | 49.7°F |
| 8% below US avg | |
| January Average | 22°F (-6°C) |
| July Average | 74°F (23°C) |
Geography
| Elevation | 746 ft (227 m) |
| Area | 0.1 sq mi (0.3 km²) |
| Population Density | 452/sq mi |
| Coordinates | 41.4342°N, 89.3958°W |
| Timezone | America/Chicago |
| County | Bureau County County |
| Nearest Airport | Illinois Valley Regional-Walter A Duncan Field (VYS) 14 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 62.3 / 100 |
| Social Vulnerability | 41.7 / 100 |
| Community Resilience | 80.1 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Moderate |
| Drought | Relatively High |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 22°F (-6°C) | 2.0 in | Coldest, Driest |
| February | 26°F (-3°C) | 2.0 in | |
| March | 38°F (3°C) | 2.5 in | |
| April | 50°F (10°C) | 4.0 in | |
| May | 61°F (16°C) | 5.1 in | Wettest |
| June | 71°F (21°C) | 4.6 in | |
| July | 74°F (23°C) | 3.7 in | Warmest |
| August | 72°F (22°C) | 4.0 in | |
| September | 65°F (18°C) | 3.9 in | |
| October | 52°F (11°C) | 3.1 in | |
| November | 39°F (4°C) | 2.6 in | |
| December | 28°F (-3°C) | 2.2 in |
Dover has a seasonal temperature swing of 52°F / from 22°F in January to 74°F in July. Total annual precipitation is 39.8 inches, with May being the wettest month (5.1") and January the driest (2.0").