Banner, IL
Full City Profile · Illinois · Mason County County
2.6
/5.0
C+
Fair
148
Population
115/sq mi density
$36,250
Median Income
$21,418 per capita
$90,000
Home Value
$197,765 Zillow
$708
Median Rent
43.8% income on rent
53°F
Avg Temperature
C+
Overall
2.6 / 5.0
Fair overall score based on economy, affordability, safety and education
F
Economy
1.4 / 5.0
$36,250 median income, 9.4% unemployment
A+
Affordability
5.0 / 5.0
$90,000 home value, $708/mo rent
F
Education
1.4 / 5.0
4.4% bachelor's degree or higher
Banner experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 26°F in January while summers reach 76°F in July. Annual precipitation totals 39.5 inches. The area receives 14.4 inches of snow annually.
Temperature
26°F Jan (-4°C)
76°F Jul (25°C)
| Annual Average | 52.7°F |
| 2% below US avg | |
| January Average | 26°F (-4°C) |
| July Average | 76°F (25°C) |
Geography
| Elevation | 482 ft (147 m) |
| Area | 0.5 sq mi (1.3 km²) |
| Population Density | 115/sq mi |
| Coordinates | 40.5126°N, 89.9156°W |
| Timezone | America/Chicago |
| County | Mason County County |
| Nearest Airport | General Downing - Peoria International (PIA) 16 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 43.0 / 100 |
| Social Vulnerability | 52.9 / 100 |
| Community Resilience | 68.7 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Relatively Low |
| 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 | 26°F (-4°C) | 1.5 in | Coldest, Driest |
| February | 30°F (-1°C) | 1.9 in | |
| March | 41°F (5°C) | 2.7 in | |
| April | 53°F (12°C) | 4.1 in | |
| May | 64°F (18°C) | 5.7 in | Wettest |
| June | 73°F (23°C) | 4.5 in | |
| July | 76°F (25°C) | 4.1 in | Warmest |
| August | 75°F (24°C) | 3.6 in | |
| September | 67°F (20°C) | 3.8 in | |
| October | 55°F (13°C) | 2.9 in | |
| November | 42°F (6°C) | 2.7 in | |
| December | 31°F (-1°C) | 2.0 in |
Banner has a seasonal temperature swing of 51°F / from 26°F in January to 76°F in July. Total annual precipitation is 39.5 inches, with May being the wettest month (5.7") and January the driest (1.5").