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Delphi, IN
Full City Profile · Indiana · Carroll County County
2.8
/5.0
C+
Fair
2,913
Population
1,071/sq mi density
$43,548
Median Income
$27,003 per capita
$120,400
Home Value
$215,318 Zillow
$803
Median Rent
30.7% income on rent
52°F
Avg Temperature
275 sunny days/yr
173
Violent Crime/100K
2,078 property/100K
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
B+
Economy
3.6 / 5.0
$43,548 median income, 2.1% unemployment
A+
Affordability
5.0 / 5.0
$120,400 home value, $803/mo rent
F
Safety
1.0 / 5.0
173 violent crimes/100K
D
Education
1.7 / 5.0
9.2% bachelor's degree or higher
Delphi experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 27°F in January while summers reach 74°F in July. The area gets 275 sunny days per year. Annual precipitation totals 39.0 inches. The area receives 17.2 inches of snow annually. Air quality is rated Good with a median AQI of 41.
Temperature
27°F Jan (-3°C)
74°F Jul (23°C)
| Annual Average | 52.2°F |
| 3% below US avg | |
| January Average | 27°F (-3°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 618 ft (188 m) |
| Area | 2.7 sq mi (7.1 km²) |
| Population Density | 1,071/sq mi |
| Coordinates | 40.5834°N, 86.6668°W |
| Timezone | America/Indiana/Indianapolis |
| County | Carroll County County |
| Nearest Airport | Vermilion Regional (DNV) 56 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0468 ppm |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 29.6 / 100 |
| Social Vulnerability | 13.4 / 100 |
| Community Resilience | 67.4 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Very Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| 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 | 126 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 27°F (-3°C) | 1.9 in | Coldest |
| February | 28°F (-2°C) | 1.7 in | Driest |
| March | 39°F (4°C) | 2.8 in | |
| April | 50°F (10°C) | 3.6 in | |
| May | 61°F (16°C) | 3.9 in | |
| June | 70°F (21°C) | 4.0 in | Wettest |
| July | 74°F (23°C) | 3.9 in | Warmest |
| August | 72°F (22°C) | 3.9 in | |
| September | 65°F (18°C) | 3.1 in | |
| October | 53°F (12°C) | 2.6 in | |
| November | 41°F (5°C) | 3.0 in | |
| December | 30°F (-1°C) | 2.8 in |
Delphi has a seasonal temperature swing of 47°F / from 27°F in January to 74°F in July. Total annual precipitation is 37.2 inches, with June being the wettest month (4.0") and February the driest (1.7").