Mermentau is located in Louisiana. Mermentau, Louisiana has a population of 804. Mermentau is less family-centric than the surrounding county with 8.05% of the households containing married families with children. The county average for households married with children is 30.6%.
The median household income in Mermentau, Louisiana is $100,122. The median household income for the surrounding county is $42,368 compared to the national median of $69,021. The median age of people living in Mermentau is 52.3 years.
The average high temperature in July is 91.3 degrees, with an average low temperature in January of 41.5 degrees. The average rainfall is approximately 60.7 inches per year, with 0 inches of snow per year.
