Lynwood, IL
Full City Profile · Illinois · Lake County County
4.2
/5.0
A
Great
9,047
Population
1,767/sq mi density
$76,619
Median Income
$35,112 per capita
$213,700
Home Value
$284,684 Zillow
$1,151
Median Rent
51.0% income on rent
50°F
Avg Temperature
A
Overall
4.2 / 5.0
Strong
B+
Economy
3.5 / 5.0
$76,619 median income, 6.3% unemployment
A+
Affordability
5.0 / 5.0
$213,700 home value, $1,151/mo rent
A
Education
4.2 / 5.0
39.6% bachelor's degree or higher
Lynwood experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 23°F in January while summers reach 74°F in July. Annual precipitation totals 40.3 inches. The area receives 28.2 inches of snow annually. Air quality is rated Good with a median AQI of 40.
Temperature
23°F Jan (-5°C)
74°F Jul (23°C)
| Annual Average | 49.8°F |
| 8% below US avg | |
| January Average | 23°F (-5°C) |
| July Average | 74°F (23°C) |
Geography
| Elevation | 619 ft (189 m) |
| Area | 1.9 sq mi (5.0 km²) |
| Population Density | 1,767/sq mi |
| Coordinates | 41.5226°N, 87.5505°W |
| Timezone | America/Chicago |
| County | Lake County County |
| Nearest Airport | Gary/Chicago International (GYY) 10 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
| Good Days % | 82.0% |
| Unhealthy Days | 5 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0452 ppm |
| NO₂ (Nitrogen Dioxide) | 13.8 ppb |
| SO₂ (Sulfur Dioxide) | 1.37 ppb |
| PM2.5 (Fine Particles) | 10.3 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 95.9 / 100 |
| Social Vulnerability | 48.7 / 100 |
| Community Resilience | 73.3 / 100 |
Hazard Breakdown
| Tornado | Very High |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Relatively Low |
| Flood | Relatively High |
| Hail | Relatively Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively High |
| Ice Storm | Relatively Moderate |
| Drought | No Rating |
| Cold Wave | Very High |
| Landslide | Very Low |
| Coastal Flood | 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 | 59 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 23°F (-5°C) | 2.2 in | Coldest |
| February | 27°F (-3°C) | 2.0 in | Driest |
| March | 37°F (3°C) | 2.3 in | |
| April | 49°F (9°C) | 4.1 in | |
| May | 60°F (16°C) | 4.5 in | |
| June | 70°F (21°C) | 4.8 in | Wettest |
| July | 74°F (23°C) | 4.3 in | Warmest |
| August | 72°F (22°C) | 4.4 in | |
| September | 65°F (18°C) | 3.5 in | |
| October | 53°F (12°C) | 3.5 in | |
| November | 40°F (4°C) | 2.6 in | |
| December | 29°F (-2°C) | 2.2 in |
Lynwood has a seasonal temperature swing of 51°F / from 23°F in January to 74°F in July. Total annual precipitation is 40.3 inches, with June being the wettest month (4.8") and February the driest (2.0").