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Mer Rouge, LA
Full City Profile · Louisiana · Morehouse Parish County
2.8
/5.0
C+
Fair
639
Population
546/sq mi density
$55,588
Median Income
$28,544 per capita
$119,400
Home Value
$85,595 Zillow
$596
Median Rent
24.9% income on rent
63°F
Avg Temperature
304 sunny days/yr
1,299
Violent Crime/100K
12,223 property/100K
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.6 / 5.0
$55,588 median income, 4.4% unemployment
A+
Affordability
5.0 / 5.0
$119,400 home value, $596/mo rent
F
Safety
1.0 / 5.0
1,299 violent crimes/100K (242% above avg)
C+
Education
2.5 / 5.0
18.8% bachelor's degree or higher
Mer Rouge enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 44°F in January while summers reach 81°F in July. The area gets 304 sunny days per year. Annual precipitation totals 58.4 inches. The area receives 0.0 inches of snow annually. Air quality is rated Good with a median AQI of 42.
Temperature
44°F Jan (7°C)
81°F Jul (27°C)
| Annual Average | 63.3°F |
| 17% above US avg | |
| January Average | 44°F (7°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 304 days/yr |
Geography
| Elevation | 91 ft (28 m) |
| Area | 0.5 sq mi (1.2 km²) |
| Population Density | 546/sq mi |
| Coordinates | 32.7769°N, 91.7944°W |
| Timezone | America/Chicago |
| County | Morehouse Parish County |
| Nearest Airport | Monroe Regional (MLU) 23 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 55.3 / 100 |
| Social Vulnerability | 97.9 / 100 |
| Community Resilience | 43.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Moderate |
| Winter Weather | Very Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively High |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 44°F (7°C) | 5.1 in | Coldest |
| February | 49°F (9°C) | 5.3 in | |
| March | 56°F (13°C) | 5.8 in | Wettest |
| April | 64°F (18°C) | 4.9 in | |
| May | 72°F (22°C) | 5.5 in | |
| June | 79°F (26°C) | 4.3 in | |
| July | 81°F (27°C) | 3.6 in | Warmest |
| August | 81°F (27°C) | 3.2 in | |
| September | 76°F (24°C) | 3.0 in | Driest |
| October | 65°F (18°C) | 4.0 in | |
| November | 55°F (13°C) | 4.9 in | |
| December | 47°F (8°C) | 5.7 in |
Mer Rouge has a seasonal temperature swing of 37°F / from 44°F in January to 81°F in July. Total annual precipitation is 55.1 inches, with March being the wettest month (5.8") and September the driest (3.0").