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Clifton, IL
Full City Profile · Illinois · Iroquois County County
3.3
/5.0
B
Good
1,279
Population
1,375/sq mi density
$69,276
Median Income
$37,898 per capita
$184,100
Home Value
$212,790 Zillow
$839
Median Rent
34.3% income on rent
51°F
Avg Temperature
275 sunny days/yr
818
Violent Crime/100K
4,559 property/100K
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.3 / 5.0
$69,276 median income, 1.5% unemployment
A+
Affordability
5.0 / 5.0
$184,100 home value, $839/mo rent
F
Safety
1.0 / 5.0
818 violent crimes/100K (115% above avg)
C+
Education
2.7 / 5.0
21.3% bachelor's degree or higher
Clifton experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 24°F in January while summers reach 74°F in July. The area gets 275 sunny days per year. Annual precipitation totals 38.4 inches. The area receives 17.1 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
24°F Jan (-4°C)
74°F Jul (23°C)
| Annual Average | 50.7°F |
| 6% below US avg | |
| January Average | 24°F (-4°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 668 ft (204 m) |
| Area | 0.9 sq mi (2.3 km²) |
| Population Density | 1,375/sq mi |
| Coordinates | 40.9347°N, 87.9343°W |
| Timezone | America/Chicago |
| County | Iroquois County County |
| Nearest Airport | Joliet Regional (JOT) 42 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 74.0 / 100 |
| Social Vulnerability | 34.0 / 100 |
| Community Resilience | 65.5 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Very Low |
| Drought | Very Low |
| Cold Wave | Relatively High |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 3.0 m (10 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1954 | MICHIGAN CITY, IN (LAKE MICHIGAN) | Avalanche | 3.0 m | 7 | 122 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 24°F (-4°C) | 1.5 in | Coldest, Driest |
| February | 27°F (-3°C) | 1.5 in | |
| March | 38°F (4°C) | 3.0 in | |
| April | 50°F (10°C) | 3.8 in | |
| May | 61°F (16°C) | 4.0 in | Wettest |
| June | 71°F (22°C) | 4.0 in | |
| July | 74°F (23°C) | 4.0 in | Warmest |
| August | 72°F (22°C) | 3.5 in | |
| September | 65°F (18°C) | 3.5 in | |
| October | 53°F (12°C) | 2.8 in | |
| November | 40°F (5°C) | 3.0 in | |
| December | 28°F (-2°C) | 2.7 in |
Clifton has a seasonal temperature swing of 50°F / from 24°F in January to 74°F in July. Total annual precipitation is 37.5 inches, with May being the wettest month (4.0") and January the driest (1.5").