Smithboro, IL
Full City Profile · Illinois · Bond County County
2.5
/5.0
C+
Fair
171
Population
184/sq mi density
$27,500
Median Income
$17,653 per capita
$70,000
Home Value
$174,235 Zillow
54°F
Avg Temperature
C+
Overall
2.5 / 5.0
Fair overall score based on economy, affordability, safety and education
F
Economy
1.2 / 5.0
$27,500 median income, 11.3% unemployment
A+
Affordability
5.0 / 5.0
$70,000 home value, /mo rent
F
Education
1.4 / 5.0
4.8% bachelor's degree or higher
Smithboro experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 29°F in January while summers reach 77°F in July. Annual precipitation totals 41.6 inches. The area receives 11.9 inches of snow annually.
Temperature
29°F Jan (-2°C)
77°F Jul (25°C)
| Annual Average | 54.2°F |
| 0% below US avg | |
| January Average | 29°F (-2°C) |
| July Average | 77°F (25°C) |
Geography
| Elevation | 550 ft (168 m) |
| Area | 0.4 sq mi (0.9 km²) |
| Population Density | 184/sq mi |
| Coordinates | 38.8946°N, 89.3399°W |
| Timezone | America/Chicago |
| County | Bond County County |
| Nearest Airport | St Louis Regional (ALN) 38 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 36.2 / 100 |
| Social Vulnerability | 43.7 / 100 |
| Community Resilience | 76.8 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Very Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 29°F (-2°C) | 2.8 in | Coldest |
| February | 33°F (1°C) | 2.4 in | |
| March | 43°F (6°C) | 3.1 in | |
| April | 54°F (12°C) | 4.6 in | Wettest |
| May | 65°F (18°C) | 4.6 in | |
| June | 74°F (23°C) | 3.9 in | |
| July | 77°F (25°C) | 4.1 in | Warmest |
| August | 75°F (24°C) | 4.0 in | |
| September | 68°F (20°C) | 3.2 in | |
| October | 56°F (13°C) | 3.2 in | |
| November | 44°F (7°C) | 3.5 in | |
| December | 34°F (1°C) | 2.3 in | Driest |
Smithboro has a seasonal temperature swing of 48°F / from 29°F in January to 77°F in July. Total annual precipitation is 41.6 inches, with April being the wettest month (4.6") and December the driest (2.3").