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Hartz Lake, IN
Full City Profile · Indiana · Starke County County
1.9
/5.0
D
Poor
291
Population
693/sq mi density
$43,659
Median Income
$16,354 per capita
50°F
Avg Temperature
275 sunny days/yr
140
Violent Crime/100K
2,132 property/100K
D
Overall
1.9 / 5.0
Below average overall score based on economy, affordability, safety and education
C+
Economy
2.7 / 5.0
$43,659 median income, 0.0% unemployment
F
Safety
1.0 / 5.0
140 violent crimes/100K
C
Education
2.0 / 5.0
13.0% bachelor's degree or higher
Hartz Lake experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 24°F in January while summers reach 73°F in July. The area gets 275 sunny days per year. Annual precipitation totals 40.3 inches. The area receives 54.9 inches of snow annually. Air quality is rated Good with a median AQI of 41.
Temperature
24°F Jan (-4°C)
73°F Jul (23°C)
| Annual Average | 50.0°F |
| 7% below US avg | |
| January Average | 24°F (-4°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 720 ft (219 m) |
| Area | 0.4 sq mi (1.1 km²) |
| Population Density | 693/sq mi |
| Coordinates | 41.1779°N, 86.4980°W |
| Timezone | America/Indiana/Indianapolis |
| County | Starke County County |
| Nearest Airport | Porter County Regional (VPZ) 33 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 24.9 / 100 |
| Social Vulnerability | 41.3 / 100 |
| Community Resilience | 73.5 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Very Low |
| Drought | No Rating |
| Cold Wave | Relatively Moderate |
| 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 | 66 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 24°F (-4°C) | 1.9 in | Coldest |
| February | 27°F (-3°C) | 1.7 in | Driest |
| March | 38°F (3°C) | 2.8 in | |
| April | 49°F (9°C) | 3.8 in | |
| May | 60°F (16°C) | 3.8 in | |
| June | 69°F (21°C) | 4.3 in | Wettest |
| July | 73°F (23°C) | 3.9 in | Warmest |
| August | 71°F (22°C) | 3.6 in | |
| September | 64°F (18°C) | 3.7 in | |
| October | 52°F (11°C) | 3.0 in | |
| November | 40°F (5°C) | 3.2 in | |
| December | 29°F (-2°C) | 2.8 in |
Hartz Lake has a seasonal temperature swing of 49°F / from 24°F in January to 73°F in July. Total annual precipitation is 38.5 inches, with June being the wettest month (4.3") and February the driest (1.7").