Mermentau is a city located in Acadia Parish Louisiana. With a 2020 population of 488, it is the 354th largest city in Louisiana and the 19295th largest city in the United States. Mermentau is currently declining at a rate of -2.79% annually and its population has decreased by -20.78% since the most recent census, which recorded a population of 616 in 2020. Spanning over 2 miles, Mermentau has a population density of 229 people per square mile.
The average household income in Mermentau is $46,981 with a poverty rate of 25.97%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Mermentau is 38.2 years, 40.4 years for males, and 35.5 years for females.
According to the most recent ACS, the racial composition of Mermentauwas:
Rate of Home Ownership
Average Family Size
Average Household Size
The highest rate of high school graduation is among hispanic people with a rate of 100.00%.
The highest rate of bachelors degrees is among white people with a rate of 4.24%.
92.28% of Mermentau residents speak only English, while 7.72% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 7.72% of the population.
Overall Poverty Rate
Male Poverty Rate
Female Poverty Rate
The race most likely to be in poverty in Mermentau is Black, with 65.60% below the poverty level.
The race least likely to be in poverty in Mermentau is Other, with NaN% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 5.30%. Among those working part-time, it was 30.39%, and for those that did not work, the poverty rate was 32.94%.
Overall Marriage Rate
Male Marriage Rate
Female Marriage Rate
The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is Over 65.
Number of Veterans
Veteran Poverty Rate
Veteran Disability Rate
Labor Force Participation
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Born in Mermentau
100.00% of Mermentau residents were born in the United States, with 92.69% having been born in Louisiana. 0.00% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.