Orland Hills, IL
Full City Profile · Illinois · Will County County
4.5
/5.0
A+
Excellent
6,758
Population
5,877/sq mi density
$118,281
Median Income
$40,874 per capita
$262,600
Home Value
$344,311 Zillow
$1,373
Median Rent
27.2% income on rent
51°F
Avg Temperature
A+
Overall
4.5 / 5.0
Strong
A+
Economy
4.6 / 5.0
$118,281 median income, 5.0% unemployment
A+
Affordability
5.0 / 5.0
$262,600 home value, $1,373/mo rent
B+
Education
4.0 / 5.0
37.1% bachelor's degree or higher
Orland Hills experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 24°F in January while summers reach 77°F in July. Annual precipitation totals 41.4 inches. The area receives 38.8 inches of snow annually. Air quality is rated Good with a median AQI of 44.
Temperature
24°F Jan (-5°C)
77°F Jul (25°C)
| Annual Average | 51.4°F |
| 5% below US avg | |
| January Average | 24°F (-5°C) |
| July Average | 77°F (25°C) |
Geography
| Elevation | 705 ft (215 m) |
| Area | 0.4 sq mi (1.1 km²) |
| Population Density | 5,877/sq mi |
| Coordinates | 41.5907°N, 87.8421°W |
| Timezone | America/Chicago |
| County | Will County County |
| Nearest Airport | Chicago Midway International (MDW) 14 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 44.0 |
| Rating | Good |
| Good Days % | 67.1% |
| Unhealthy Days | 0 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0479 ppm |
| PM2.5 (Fine Particles) | 9.5 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 97.3 / 100 |
| Social Vulnerability | 13.4 / 100 |
| Community Resilience | 92.4 / 100 |
Hazard Breakdown
| Tornado | Very High |
| Hurricane | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively High |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively High |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | Very 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 | 81 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 24°F (-5°C) | 2.3 in | Coldest |
| February | 27°F (-3°C) | 2.0 in | Driest |
| March | 38°F (3°C) | 2.5 in | |
| April | 51°F (10°C) | 4.1 in | |
| May | 62°F (16°C) | 5.0 in | Wettest |
| June | 72°F (22°C) | 4.7 in | |
| July | 77°F (25°C) | 4.1 in | Warmest |
| August | 75°F (24°C) | 4.5 in | |
| September | 67°F (20°C) | 3.5 in | |
| October | 54°F (12°C) | 3.7 in | |
| November | 41°F (5°C) | 2.7 in | |
| December | 30°F (-1°C) | 2.4 in |
Orland Hills has a seasonal temperature swing of 53°F / from 24°F in January to 77°F in July. Total annual precipitation is 41.4 inches, with May being the wettest month (5.0") and February the driest (2.0").