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Port Allen, LA
Full City Profile · Louisiana · West Baton Rouge Parish County
2.9
/5.0
C+
Fair
4,928
Population
1,735/sq mi density
$59,380
Median Income
$31,575 per capita
$167,700
Home Value
$209,537 Zillow
$1,046
Median Rent
26.4% income on rent
67°F
Avg Temperature
313 sunny days/yr
668
Violent Crime/100K
2,652 property/100K
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
B+
Economy
3.5 / 5.0
$59,380 median income, 3.1% unemployment
A+
Affordability
5.0 / 5.0
$167,700 home value, $1,046/mo rent
F
Safety
1.0 / 5.0
668 violent crimes/100K (76% above avg)
C
Education
2.2 / 5.0
15.3% bachelor's degree or higher
Port Allen enjoys a temperate climate with an average annual temperature of 67°F (19°C). Winters average 51°F in January while summers reach 82°F in July. The area gets 313 sunny days per year. Annual precipitation totals 64.5 inches. Air quality is rated Good with a median AQI of 42.
Temperature
51°F Jan (10°C)
82°F Jul (28°C)
| Annual Average | 67.3°F |
| 25% above US avg | |
| January Average | 51°F (10°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 313 days/yr |
Geography
| Elevation | 25 ft (8 m) |
| Area | 1.3 sq mi (3.3 km²) |
| Population Density | 1,735/sq mi |
| Coordinates | 30.4438°N, 91.2074°W |
| Timezone | America/Chicago |
| County | West Baton Rouge Parish County |
| Nearest Airport | Acadiana Regional (ARA) 49 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0419 ppm |
| NO₂ (Nitrogen Dioxide) | 11.3 ppb |
| SO₂ (Sulfur Dioxide) | 0.80 ppb |
| PM2.5 (Fine Particles) | 9.3 μg/m³ |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 31.8 / 100 |
| Social Vulnerability | 12.8 / 100 |
| Community Resilience | 79.6 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively Moderate |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Very Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
| Coastal Flood | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 51°F (10°C) | 5.8 in | Coldest |
| February | 54°F (12°C) | 5.0 in | |
| March | 60°F (16°C) | 5.0 in | |
| April | 67°F (19°C) | 5.2 in | |
| May | 74°F (24°C) | 5.2 in | |
| June | 80°F (27°C) | 5.2 in | |
| July | 82°F (28°C) | 6.2 in | Warmest, Wettest |
| August | 82°F (28°C) | 5.9 in | |
| September | 78°F (25°C) | 5.1 in | |
| October | 68°F (20°C) | 3.9 in | Driest |
| November | 59°F (15°C) | 4.5 in | |
| December | 53°F (12°C) | 5.4 in |
Port Allen has a seasonal temperature swing of 31°F / from 51°F in January to 82°F in July. Total annual precipitation is 62.4 inches, with July being the wettest month (6.2") and October the driest (3.9").