Mermentau Flag

Mermentau

County:
Acadia Parish
County Seat:
No
Area (mi²):
2.132
State:
Louisiana

Mermentau is a village located in Acadia Parish, Louisiana. Mermentau has a 2026 population of 484. Mermentau is currently declining at a rate of -1.22% annually and its population has decreased by -6.74% since the most recent census, which recorded a population of 519 in 2020.

The median household income in Mermentau is $117,764 with a poverty rate of 20.41%. The median age in Mermentau is 64 years: 56.4 years for males, and 68.7 years for females. For every 100 females there are 56.8 males.

484
Total Population
227
Density (mi²)
-6 -1.22%
Growth

Mermentau Population

Mermentau Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026484-6-1.22%
2025490-6-1.21%
2024496-5-1%
2023501-4-0.79%
2022505-9-1.75%
2021514-5-0.96%
2020519-1-0.19%
2019626-2-0.32%
2018628-5-0.79%
2017633-8-1.25%
2016641-3-0.47%
2015644-3-0.46%
201464700%
2013647-3-0.46%
2012650-2-0.31%
2011652-9-1.36%
201065500%

Median Age

Overall: 64 years
Female: 68.7 years
Male: 56.4 years

Mermentau Adults

There are 534 adults, (311 of whom are seniors) in Mermentau.

Sex Ratio

Female: 400 (63.8%)
Male: 227 (36.2%)

Demographics

The racial composition of Mermentau includes 83.25% White, 11.8% Black or African American, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White52283.25%
Black or African American7411.8%
Two or more races314.94%
Race
Population ↓
Percentage (of total)
Two or more races101.59%
Race
Population ↓
Percentage (of total)
White52283.25%
Black or African American7411.8%
Two or more races213.35%

Mermentau Marital Status

Economics and Income Statistics

Mermentau 's average per capita income is $31,366. Household income levels show a median of $117,764. The poverty rate stands at 20.41%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$118,464-
Families$118,261$97,500
Households$117,764$82,375
Non Families-$24,856

$31,366

Average Income

$117,764

Median Household Income

20.41%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)