Mermentau is located in Louisiana. Mermentau, Louisiana has a population of 815. Mermentau is less family-centric than the surrounding county with 30.16% of the households containing married families with children. The county average for households married with children is 34.17%.
The median household income in Mermentau, Louisiana is $31,667. The median household income for the surrounding county is $40,492 compared to the national median of $57,652. The median age of people living in Mermentau is 34.9 years.
The average high temperature in July is 91.3 degrees, with an average low temperature in January of 40.9 degrees. The average rainfall is approximately 61.3 inches per year, with 0.1 inches of snow per year.
