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Griffith, IN

Full City Profile · Indiana · Lake County County

3.4 /5.0
B Good
16,228 Population 2,089/sq mi density
$76,009 Median Income $39,045 per capita
$200,400 Home Value $243,311 Zillow
$1,154 Median Rent 29.0% income on rent
50°F Avg Temperature 275 sunny days/yr
69 Violent Crime/100K 1,792 property/100K
B
Overall
3.4 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.4 / 5.0
$76,009 median income, 2.4% unemployment
A+
Affordability
5.0 / 5.0
$200,400 home value, $1,154/mo rent
F
Safety
1.0 / 5.0
69 violent crimes/100K
B
Education
3.1 / 5.0
26.6% bachelor's degree or higher
Griffith experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 25°F in January while summers reach 73°F in July. The area gets 275 sunny days per year. Annual precipitation totals 39.2 inches. The area receives 40.3 inches of snow annually. Air quality is rated Good with a median AQI of 41.

Temperature

25°F Jan (-4°C) 73°F Jul (23°C)
Annual Average50.2°F
7% below US avg
January Average25°F (-4°C)
July Average73°F (23°C)
Sunny Days275 days/yr

Geography

Elevation633 ft (193 m)
Area7.7 sq mi (20.0 km²)
Population Density2,089/sq mi
Coordinates41.5276°N, 87.4239°W
TimezoneAmerica/Indiana/Indianapolis
CountyLake County County
Nearest AirportGary/Chicago International (GYY)
6 miles away

Precipitation & Snow

Annual Rainfall 39.2"
3% above US avg
Snowfall 40.3"
Wettest Month (Jun) 4.25"
Driest Month (Feb) 1.50"

Air Quality

AQI Median41.0
RatingGood

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 RiskRelatively High
Risk Score95.9 / 100
Social Vulnerability48.7 / 100
Community Resilience73.3 / 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)

Earthquake History

7 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.2. Most recent: M2.6 on Mar 15, 2025.

Jun 28, 2004 12 km NW of Dayton, Illinois M4.2 123 km
Feb 10, 2010 2 km NW of Lily Lake, Illinois M3.8 102 km
Nov 4, 2013 1 km SSW of Lyons, Illinois M3.2 45 km
Jul 15, 2024 2 km WNW of Somonauk, Illinois M3.1 108 km
Mar 25, 2015 3 km WNW of Lake in the Hills, Illinois M2.9 107 km
Jun 10, 2013 4 km NNE of Virgil, Illinois M2.6 104 km
Mar 15, 2025 6 km W of Dwight, Illinois M2.6 103 km
Source: USGS (M2.5+, 1990–2025)

Tornado History

548 tornadoes (EF0+) within 100 km since 1950. Strongest: EF5. Total: 89 fatalities, 1,776 injuries.

Date Rating Distance Fatalities
Aug 28, 1990 EF5 79 km 29
Jun 29, 1979 EF4 67 km 0
Jun 13, 1976 EF4 51 km 2
Sep 28, 1972 EF4 91 km 0
Apr 21, 1967 EF4 99 km 1
Apr 21, 1967 EF4 37 km 33
Apr 17, 1963 EF4 68 km 1
Jun 20, 2021 EF3 69 km 0
Jun 22, 2015 EF3 84 km 0
Jun 5, 2010 EF3 58 km 0
Oct 24, 2001 EF3 83 km 1
Mar 27, 1991 EF3 57 km 0
Apr 27, 1984 EF3 76 km 1
Apr 2, 1982 EF3 71 km 0
Mar 12, 1976 EF3 70 km 0
Mar 12, 1976 EF3 42 km 0
Mar 12, 1976 EF3 63 km 1
Mar 12, 1976 EF3 78 km 0
Jun 20, 1974 EF3 28 km 0
Oct 24, 1967 EF3 17 km 0
Source: NOAA SPC (EF0+, 1950–2024)

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 49 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Wildfire History

12 wildfires (100+ acres) within 100 km. Largest: UNNAMED (1,741 ac, 2019).

Year Name Acres Distance
2019 UNNAMED 1,741 64 km
2019 UNNAMED 1,664 60 km
2000 UNNAMED 1,602 61 km
2021 NORTHEAST PRAIRIE UNIT 3 978 54 km
2024 NORTHEAST PRAIRIE 3 RX 938 54 km
1986 OGDEN DUNS 863 19 km
2021 UNNAMED 738 55 km
2021 MIDDLE GRANT CREEK 700 63 km
2019 UNNAMED 698 54 km
2021 21-INDU TOLLESTON DUNES EAST 594 20 km
2017 UNNAMED 549 64 km
2017 17 INDU COWLES DUNES 522 30 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 25°F (-4°C) 1.8 in Coldest
February 28°F (-3°C) 1.5 in Driest
March 38°F (3°C) 2.7 in
April 49°F (9°C) 3.9 in
May 60°F (16°C) 3.9 in
June 70°F (21°C) 4.3 in Wettest
July 73°F (23°C) 3.7 in Warmest
August 72°F (22°C) 3.7 in
September 65°F (18°C) 3.7 in
October 53°F (12°C) 2.9 in
November 41°F (5°C) 3.3 in
December 29°F (-2°C) 2.6 in

Griffith has a seasonal temperature swing of 48°F / from 25°F in January to 73°F in July. Total annual precipitation is 37.9 inches, with June being the wettest month (4.3") and February the driest (1.5").

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