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Thayer, IN
Full City Profile · Indiana · Jasper County County
2.2
/5.0
C
Fair
447
Population
721/sq mi density
$45,391
Median Income
$25,611 per capita
$150,700
Home Value
$179,148 Zillow
50°F
Avg Temperature
275 sunny days/yr
468
Violent Crime/100K
872 property/100K
C
Overall
2.2 / 5.0
Fair overall score based on economy, affordability, safety and education
D
Economy
1.7 / 5.0
$45,391 median income, 11.0% unemployment
A+
Affordability
4.8 / 5.0
$150,700 home value, /mo rent
F
Safety
1.0 / 5.0
468 violent crimes/100K (23% above avg)
F
Education
1.5 / 5.0
5.8% bachelor's degree or higher
Thayer experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 23°F in January while summers reach 73°F in July. The area gets 275 sunny days per year. Annual precipitation totals 39.9 inches. The area receives 29.7 inches of snow annually. Air quality is rated Good with a median AQI of 41.
Temperature
23°F Jan (-5°C)
73°F Jul (23°C)
| Annual Average | 49.7°F |
| 8% below US avg | |
| January Average | 23°F (-5°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 642 ft (196 m) |
| Area | 0.6 sq mi (1.6 km²) |
| Population Density | 721/sq mi |
| Coordinates | 41.1740°N, 87.3295°W |
| Timezone | America/Indiana/Indianapolis |
| County | Jasper County County |
| Nearest Airport | Porter County Regional (VPZ) 26 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 32.8 / 100 |
| Social Vulnerability | 17.0 / 100 |
| Community Resilience | 62.6 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Very Low |
| Lightning | Very 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 | 69 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 23°F (-5°C) | 1.7 in | Coldest |
| February | 27°F (-3°C) | 1.5 in | Driest |
| March | 38°F (3°C) | 2.8 in | |
| April | 49°F (9°C) | 3.9 in | |
| May | 60°F (16°C) | 4.0 in | |
| June | 70°F (21°C) | 4.3 in | Wettest |
| July | 73°F (23°C) | 3.9 in | Warmest |
| August | 71°F (22°C) | 3.7 in | |
| September | 64°F (18°C) | 3.7 in | |
| October | 53°F (11°C) | 2.9 in | |
| November | 40°F (5°C) | 3.2 in | |
| December | 28°F (-2°C) | 2.7 in |
Thayer has a seasonal temperature swing of 50°F / from 23°F in January to 73°F in July. Total annual precipitation is 38.3 inches, with June being the wettest month (4.3") and February the driest (1.5").