Southport, IN
Full City Profile · Indiana · Marion County County
3.8
/5.0
B+
Good
2,036
Population
3,232/sq mi density
$69,148
Median Income
$34,841 per capita
$186,500
Home Value
$230,565 Zillow
$1,081
Median Rent
27.2% income on rent
54°F
Avg Temperature
B+
Overall
3.8 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.0 / 5.0
$69,148 median income, 4.2% unemployment
A+
Affordability
5.0 / 5.0
$186,500 home value, $1,081/mo rent
C
Education
2.4 / 5.0
17.5% bachelor's degree or higher
Southport experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 29°F in January while summers reach 76°F in July. Annual precipitation totals 43.6 inches. The area receives 25.5 inches of snow annually. Air quality is rated Moderate with a median AQI of 54.
Temperature
29°F Jan (-2°C)
76°F Jul (24°C)
| Annual Average | 53.6°F |
| 1% below US avg | |
| January Average | 29°F (-2°C) |
| July Average | 76°F (24°C) |
Geography
| Elevation | 779 ft (237 m) |
| Area | 0.6 sq mi (1.6 km²) |
| Population Density | 3,232/sq mi |
| Coordinates | 39.6600°N, 86.1171°W |
| Timezone | America/Indiana/Indianapolis |
| County | Marion County County |
| Nearest Airport | Indianapolis International (IND) 10 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 54.0 |
| Rating | Moderate |
| Good Days % | 36.6% |
| Unhealthy Days | 4 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0444 ppm |
| NO₂ (Nitrogen Dioxide) | 14.3 ppb |
| SO₂ (Sulfur Dioxide) | 0.24 ppb |
| CO (Carbon Monoxide) | 0.33 ppm |
| PM2.5 (Fine Particles) | 12.4 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 97.5 / 100 |
| Social Vulnerability | 39.7 / 100 |
| Community Resilience | 49.4 / 100 |
Hazard Breakdown
| Tornado | Very High |
| Hurricane | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively High |
| Hail | Relatively Moderate |
| Strong Wind | Very High |
| Heat Wave | Relatively High |
| Winter Weather | Relatively High |
| Lightning | Very High |
| Ice Storm | Relatively High |
| Drought | Relatively Low |
| Cold Wave | Relatively High |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 29°F (-2°C) | 3.1 in | Coldest |
| February | 33°F (0°C) | 2.4 in | Driest |
| March | 42°F (6°C) | 3.7 in | |
| April | 54°F (12°C) | 4.3 in | |
| May | 64°F (18°C) | 4.8 in | |
| June | 73°F (23°C) | 5.0 in | Wettest |
| July | 76°F (24°C) | 4.4 in | Warmest |
| August | 75°F (24°C) | 3.2 in | |
| September | 68°F (20°C) | 3.1 in | |
| October | 56°F (13°C) | 3.2 in | |
| November | 43°F (6°C) | 3.5 in | |
| December | 33°F (1°C) | 2.9 in |
Southport has a seasonal temperature swing of 47°F / from 29°F in January to 76°F in July. Total annual precipitation is 43.6 inches, with June being the wettest month (5.0") and February the driest (2.4").