Mermentau is a village located in Acadia Parish, Louisiana. Mermentau has a 2025 population of 483. Mermentau is currently declining at a rate of -1.43% annually and its population has decreased by -6.58% since the most recent census, which recorded a population of 517 in 2020.
The average household income in Mermentau is $83,657 with a poverty rate of 18.42%.The median age in Mermentau is 68.6 years: 56.9 years for males, and 72.2 years for females.
Data after 2023 is projected based on recent change
The racial composition of Mermentau includes 83.86% White, 10.88% Black or African American, and smaller percentages for and multiracial populations.
Race | Population | Percentage (of total) |
---|---|---|
White | 478 | 83.86% |
Black or African American | 62 | 10.88% |
Two or more races | 30 | 5.26% |
Married
Widowed
Divorced
Separated
Never Married
Mermentau's average per capita income is $32,256. Household income levels show a median of $112,864. The poverty rate stands at 18.42%.
Name | Median | Mean |
---|---|---|
Married Families | $113,636 | - |
Families | $113,311 | $95,589 |
Households | $112,864 | $83,657 |
Non Families | $36,250 | $31,676 |
Average Income
Median Household Income
Poverty Rate