Schaumburg, IL
Full City Profile · Illinois · McHenry County County
3.9
/5.0
B+
Good
76,780
Population
3,962/sq mi density
$94,690
Median Income
$49,394 per capita
$312,200
Home Value
$360,740 Zillow
$1,774
Median Rent
25.9% income on rent
51°F
Avg Temperature
97
Violent Crime/100K
2,436 property/100K
B+
Overall
3.9 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.7 / 5.0
$94,690 median income, 3.6% unemployment
A+
Affordability
4.8 / 5.0
$312,200 home value, $1,774/mo rent
F
Safety
1.0 / 5.0
97 violent crimes/100K
A+
Education
5.0 / 5.0
50.6% bachelor's degree or higher
Schaumburg experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 25°F in January while summers reach 75°F in July. Annual precipitation totals 37.9 inches. The area receives 38.4 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
25°F Jan (-4°C)
75°F Jul (24°C)
| Annual Average | 51.3°F |
| 5% below US avg | |
| January Average | 25°F (-4°C) |
| July Average | 75°F (24°C) |
Geography
| Elevation | 801 ft (244 m) |
| Area | 19.3 sq mi (50.1 km²) |
| Population Density | 3,962/sq mi |
| Coordinates | 42.0289°N, 88.0838°W |
| Timezone | America/Chicago |
| County | McHenry County County |
| Nearest Airport | Chicago O'Hare International (ORD) 10 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
| Good Days % | 66.9% |
| Unhealthy Days | 1 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0484 ppm |
| PM2.5 (Fine Particles) | 9.1 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 90.8 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 84.0 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| Drought | Relatively 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 | 106 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 25°F (-4°C) | 2.0 in | Coldest |
| February | 29°F (-2°C) | 2.0 in | Driest |
| March | 39°F (4°C) | 2.5 in | |
| April | 50°F (10°C) | 3.8 in | |
| May | 61°F (16°C) | 4.5 in | Wettest |
| June | 71°F (21°C) | 4.1 in | |
| July | 75°F (24°C) | 3.7 in | Warmest |
| August | 74°F (23°C) | 4.3 in | |
| September | 66°F (19°C) | 3.2 in | |
| October | 54°F (12°C) | 3.4 in | |
| November | 41°F (5°C) | 2.4 in | |
| December | 31°F (-1°C) | 2.1 in |
Schaumburg has a seasonal temperature swing of 50°F / from 25°F in January to 75°F in July. Total annual precipitation is 37.9 inches, with May being the wettest month (4.5") and February the driest (2.0").