Lombard, IL
Full City Profile · Illinois · DuPage County County
3.8
/5.0
B+
Good
43,722
Population
4,299/sq mi density
$97,253
Median Income
$49,162 per capita
$321,200
Home Value
$388,194 Zillow
$1,834
Median Rent
30.9% income on rent
51°F
Avg Temperature
117
Violent Crime/100K
1,616 property/100K
B+
Overall
3.8 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.5 / 5.0
$97,253 median income, 4.7% unemployment
A+
Affordability
4.8 / 5.0
$321,200 home value, $1,834/mo rent
F
Safety
1.0 / 5.0
117 violent crimes/100K
A+
Education
4.9 / 5.0
49.2% bachelor's degree or higher
Lombard 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 39.7 inches. The area receives 42.3 inches of snow annually. Air quality is rated Good with a median AQI of 45.
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 | 738 ft (225 m) |
| Area | 10.4 sq mi (27.0 km²) |
| Population Density | 4,299/sq mi |
| Coordinates | 41.8738°N, 88.0155°W |
| Timezone | America/Chicago |
| County | DuPage County County |
| Nearest Airport | Chicago O'Hare International (ORD) 9 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 45.0 |
| Rating | Good |
| Good Days % | 62.8% |
| Unhealthy Days | 0 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0475 ppm |
| PM2.5 (Fine Particles) | 10.1 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 97.7 / 100 |
| Social Vulnerability | 15.8 / 100 |
| Community Resilience | 71.8 / 100 |
Hazard Breakdown
| Tornado | Very High |
| Hurricane | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively High |
| Hail | Relatively Low |
| Strong Wind | Very High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively High |
| Ice Storm | Relatively Moderate |
| Drought | Very 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 | 96 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 25°F (-4°C) | 2.2 in | Coldest, Driest |
| February | 29°F (-2°C) | 2.3 in | |
| March | 39°F (4°C) | 2.5 in | |
| April | 50°F (10°C) | 3.8 in | |
| May | 61°F (16°C) | 4.2 in | |
| June | 71°F (21°C) | 4.1 in | |
| July | 75°F (24°C) | 4.0 in | Warmest |
| August | 74°F (23°C) | 4.6 in | Wettest |
| September | 66°F (19°C) | 3.5 in | |
| October | 54°F (12°C) | 3.4 in | |
| November | 41°F (5°C) | 2.8 in | |
| December | 31°F (-1°C) | 2.4 in |
Lombard has a seasonal temperature swing of 50°F / from 25°F in January to 75°F in July. Total annual precipitation is 39.7 inches, with August being the wettest month (4.6") and January the driest (2.2").