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Twelve Mile, IN
Full City Profile · Indiana · Cass County County
2.2
/5.0
C
Fair
355
Population
555/sq mi density
$51,536
Median Income
$18,005 per capita
51°F
Avg Temperature
275 sunny days/yr
315
Violent Crime/100K
3,207 property/100K
C
Overall
2.2 / 5.0
Fair overall score based on economy, affordability, safety and education
A
Economy
4.0 / 5.0
$51,536 median income, 0.0% unemployment
F
Safety
1.0 / 5.0
315 violent crimes/100K
D
Education
1.5 / 5.0
6.7% bachelor's degree or higher
Twelve Mile experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 25°F in January while summers reach 74°F in July. The area gets 275 sunny days per year. Annual precipitation totals 41.3 inches. The area receives 19.4 inches of snow annually. Air quality is rated Good with a median AQI of 41.
Temperature
25°F Jan (-4°C)
74°F Jul (23°C)
| Annual Average | 51.0°F |
| 6% below US avg | |
| January Average | 25°F (-4°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 790 ft (241 m) |
| Area | 0.6 sq mi (1.7 km²) |
| Population Density | 555/sq mi |
| Coordinates | 40.8641°N, 86.2160°W |
| Timezone | America/Indiana/Indianapolis |
| County | Cass County County |
| Nearest Airport | Fort Wayne International (FWA) 54 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 56.8 / 100 |
| Social Vulnerability | 68.7 / 100 |
| Community Resilience | 71.5 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Moderate |
| 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 | 108 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 | 27°F (-3°C) | 1.8 in | Driest |
| March | 38°F (3°C) | 2.8 in | |
| April | 49°F (9°C) | 3.8 in | |
| May | 60°F (16°C) | 4.0 in | Wettest |
| June | 70°F (21°C) | 3.9 in | |
| July | 74°F (23°C) | 4.0 in | Warmest |
| August | 71°F (22°C) | 3.6 in | |
| September | 64°F (18°C) | 3.4 in | |
| October | 53°F (11°C) | 2.8 in | |
| November | 41°F (5°C) | 3.2 in | |
| December | 29°F (-2°C) | 2.8 in |
Twelve Mile has a seasonal temperature swing of 49°F / from 25°F in January to 74°F in July. Total annual precipitation is 37.9 inches, with May being the wettest month (4.0") and February the driest (1.8").