The Town FilesMermentau, Louisiana
Village in Acadia Parish · population 516 (2020 Census)
- Median home
- $55,300
- Household income
- $117,764
- Jan low / Jul high
- 42° / 90°
- Snow a year
- 0 in
- Tornadoes ≤10 mi since 1950
- 46
- Median age
- 64.0
Mermentau is a village of 516 people in Acadia Parish, Louisiana. The median home is worth $55,300, below the typical Louisiana town ($166,450). It ranks easier by car than 80% of Louisiana towns, better for families than 75% of Louisiana towns, better for retirees than 72% of Louisiana towns.
How Mermentau ranks
Percentile among Louisiana towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of Louisiana towns.
Homes and cost of living
The median home in Mermentau is worth $55,300, below the typical Louisiana town ($166,450). Homes cost about 0.5 times the median household income of $117,764, which is more affordable than 100% of Louisiana towns. Median rent is $478 a month. 86.1% of households own their home.
| Housing | Mermentau | Typical Louisiana town |
|---|---|---|
| Median home value | $55,300 | $166,450 |
| Median rent | $478 | $887 |
| Median household income | $117,764 | $52,134 |
| Home value ÷ income | 0.5× | 3.0× |
| Homeownership | 86.1% | 70.4% |
| Median year built | 1958 | 1979 |
| Seasonal / vacation homes | 5.1% | — |
Who lives in Mermentau
| People | Mermentau | Typical Louisiana town |
|---|---|---|
| Median age | 64.0 | 38.4 |
| Age 65 and over | 49.6% | 17.0% |
| Under 18 | 14.8% | — |
| Bachelor's degree or higher | 37.0% | 15.8% |
| Below the poverty line | 20.4% | 20.4% |
| Veterans | 4.1% | — |
| Born outside the U.S. | 0.0% | — |
| Work from home | 0.0% | 4.7% |
| Average commute | 18.6 min | 25.8 min |
| Homes with broadband | 38.5% | 84.6% |
Weather in Mermentau
July highs average 90.2°F and January lows 41.6°F. About 63.5 inches of rain and melted snow fall a year, with 0.1 inches of snow (typical Louisiana town: 0.0 in). Expect about 73 days a year at 90°F or hotter and 14 nights at or below freezing.
Tornadoes, storms and disasters
46 tornadoes have passed within 10 miles of Mermentau since 1950, compared with 27 for the typical Louisiana town. 9 rated (E)F2 or stronger. The strongest, an F3, struck on October 29, 1974 about 4.6 miles from the town center. Tornadoes within 10 miles have caused 3 deaths and 75 injuries since 1950. The most recent was on May 6, 2023.
Hail of 1 inch or larger has been reported within 10 miles 19 times; the largest was 2.50 inches on May 12, 2024.
Severe weather in Acadia Parish since 1996
Acadia Parish has been included in 42 federal disaster or emergency declarations since 1953, most often for flood, other, hurricane.
| Declared | Incident | Declaration |
|---|---|---|
| January 24, 2026 | Winter Storm | EM-3638: Severe Winter Storm |
| September 10, 2024 | Hurricane | EM-3614: Tropical Storm Francine |
| September 13, 2021 | Coastal Storm | EM-3574: Tropical Storm Nicholas |
| August 29, 2021 | Hurricane | DR-4611: Hurricane Ida |
| August 27, 2021 | Hurricane | EM-3568: Tropical Storm Ida |
Jobs and pay in Acadia Parish
Acadia Parish had 14,380 jobs in 2024, paying an average of $45,093 a year. Unemployment was 3.7% in 2023; in Mermentau itself the ACS puts it at 16.3%.
Public schools in Mermentau
1 public school with 148 students, about 14.8 students per teacher.
| School | Grades | Students | Per teacher |
|---|---|---|---|
| Mermentau Elementary School | PK-7 | 148 | 14.8 |
Towns near Mermentau
- Jennings, LA5.1 mi · 9,837 people · home $136,700
- Egan, LA5.9 mi · 618 people · home $220,000
- Morse, LA6.8 mi · 599 people · home $82,600
- Estherwood, LA7.2 mi · 694 people · home $88,900
- Lake Arthur, LA9.3 mi · 2,595 people · home $83,600
- Iota, LA10.9 mi · 1,304 people · home $157,500
- Gueydan, LA11.9 mi · 1,165 people · home $74,300
- Crowley, LA12.6 mi · 11,710 people · home $144,900
Mermentau questions
Is Mermentau, Louisiana a good place to retire?
On The Town Files lifestyle rankings, Mermentau scores better for retirees than 72% of Louisiana towns and quieter than 64%. 49.6% of residents are 65 or older (median age 64.0).
How much does a house cost in Mermentau?
The median owner-occupied home in Mermentau is valued at $55,300 (Census ACS 2020–2024), against a median household income of $117,764, so homes cost about 0.5 times income. Median rent is $478 a month.
What is the weather like in Mermentau?
July highs average 90.2°F and January lows 41.6°F (NOAA 1991–2020 normals). It gets about 63.5 inches of precipitation a year and 0.1 inches of snow.
Does Mermentau get tornadoes?
46 tornadoes have passed within 10 miles of Mermentau since 1950 (NOAA Storm Events); the strongest was a F3 on October 29, 1974. The typical Louisiana town has had 27.
- U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024)
- U.S. Census Bureau, 2020 Census and 2025 Gazetteer (2020 / 2025)
- NOAA NCEI U.S. Climate Normals (1991–2020)
- NOAA NCEI Storm Events Database (1950–2026)
- FEMA OpenFEMA Disaster Declarations (this product uses the FEMA OpenFEMA API but is not endorsed by FEMA) (1953–2026)
- NCES Common Core of Data (2023–24)
- BLS Quarterly Census of Employment and Wages; USDA ERS county unemployment (BLS LAUS) (2000–2024)
- The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025)