Farmington, IL
Full City Profile · Illinois · Fulton County County
3.1
/5.0
B
Good
1,990
Population
1,318/sq mi density
$64,313
Median Income
$31,276 per capita
$99,300
Home Value
$130,256 Zillow
$877
Median Rent
23.9% income on rent
53°F
Avg Temperature
88
Violent Crime/100K
615 property/100K
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
B
Economy
3.4 / 5.0
$64,313 median income, 8.0% unemployment
A+
Affordability
5.0 / 5.0
$99,300 home value, $877/mo rent
F
Safety
1.0 / 5.0
88 violent crimes/100K
C+
Education
2.9 / 5.0
24.0% bachelor's degree or higher
Farmington 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 37.7 inches. The area receives 21.3 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 | 740 ft (226 m) |
| Area | 1.5 sq mi (3.9 km²) |
| Population Density | 1,318/sq mi |
| Coordinates | 40.6970°N, 90.0023°W |
| Timezone | America/Chicago |
| County | Fulton 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 | 59.0 / 100 |
| Social Vulnerability | 35.9 / 100 |
| Community Resilience | 77.6 / 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 Moderate |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 26°F (-4°C) | 2.0 in | Coldest |
| February | 30°F (-1°C) | 1.9 in | |
| March | 41°F (5°C) | 2.5 in | |
| April | 53°F (12°C) | 3.5 in | |
| May | 64°F (18°C) | 4.7 in | Wettest |
| June | 73°F (23°C) | 4.4 in | |
| July | 76°F (25°C) | 4.3 in | Warmest |
| August | 75°F (24°C) | 3.7 in | |
| September | 67°F (20°C) | 4.0 in | |
| October | 55°F (13°C) | 2.7 in | |
| November | 42°F (6°C) | 2.4 in | |
| December | 31°F (-1°C) | 1.9 in | Driest |
Farmington has a seasonal temperature swing of 51°F / from 26°F in January to 76°F in July. Total annual precipitation is 37.7 inches, with May being the wettest month (4.7") and December the driest (1.9").