Mermentau, Louisiana Population 2020

619

Mermentau is a city located in Louisiana. With a 2020 population of 619, it is the 208th largest city in Louisiana and the 12407th largest city in the United States. Mermentau is currently declining at a rate of -1.43% annually and its population has decreased by -6.35% since the most recent census, which recorded a population of 661 in 2010. Mermentau reached it's highest population of 661 in 2010. Spanning over 2 miles, Mermentau has a population density of 290 people per square mile.

The average household income in Mermentau is $45,443 with a poverty rate of 30.29%. The median rental costs in recent years comes to - per month, and the median house value is $74,400. The median age in Mermentau is 37.6 years, 37.8 years for males, and 37 years for females. For every 100 females there are 115.1 males.

Mermentau Demographics

According to the most recent ACS, the racial composition of Mermentau was:

  • White: 80.81%
  • Black or African American: 16.35%
  • Two or more races: 2.84%
  • Native American: 0.00%
  • Asian: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
  • Other race: 0.00%
The current population of Mermentau, Louisiana is 619, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 637.The last official US Census in 2010 recorded the population at 661.

Mermentau, Louisiana Population 2020

Population by Race

Race Population Percentage
White59880.81%
Black or African American12116.35%
Two or More Races212.84%

Mermentau Population Pyramid 2020

Mermentau Median Age

37.6


Total

37.8


Male

37


Female

Mermentau Adults

There are 530 adults, (113 of whom are seniors) in Mermentau.

Mermentau Age Dependency

77.5

Age Dependency Ratio

27.1

Old Age Dependency Ratio

50.4

Child Dependency Ratio

Mermentau Sex Ratio

Female

344

46.49%

Male

396

53.51%

Mermentau Households and Families

Mermentau Renter vs Owner Occupied by Household Type

Mermentau Household Types

Type Owner Renter
Married80.5%19.5%
All65.9%34.1%
Male58.8%41.2%
Non Family55.3%44.7%
Female55.3%44.7%

65.9%

Rate of Home Ownership

Type Count Average Size Owned
All2872.5865.9
Married1183.2480.5
Non Family1141.1255.3
Female384.8255.3
Male172.7658.8

3.48

Average Family Size

2.58

Average Household Size

4.5%

Unmarried (Opposite Sex)

0%

Unmarried (Same Sex)

Mermentau Education

Education Attained Count Percentage
Less Than 9th Grade397.91%
9th to 12th Grade9719.68%
High School Graduate22144.83%
Some College5110.34%
Associates Degree397.91%
Bachelors Degree153.04%
Graduate Degree316.29%

Mermentau Educational Attainment by Race

Name Total High School Bachelors
White44532346
Black4632
Hispanic22

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 10.34%.

Name Average Male Female
Overall$28,942$38,542$23,594
Less Than High School$$$
High School Grad$28,942$$26,250
Some College$36,250$58,750$23,438
Bachelors Degree$$$
Graduate Degree$73,906$$

$28,942

Average Earnings

$38,542

Average Male

$23,594

Average Female

Mermentau Language

Mermentau Language by Age

Mermentau Language

90.64% of Mermentau residents speak only English, while 9.36% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 9.36% of the population.

Mermentau Poverty

Mermentau Poverty by Race

Name Total In Poverty Poverty Rate
White59615626.17%
Black1216654.55%

30.29%

Overall Poverty Rate

31.36%

Male Poverty Rate

29.07%

Female Poverty Rate

Poverty in Mermentau

The race most likely to be in poverty in Mermentau is Black, with 54.55% below the poverty level.

The race least likely to be in poverty in Mermentau is White, with 26.17% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 8.33%. Among those working part-time, it was 50.51%, and for those that did not work, the poverty rate was 35.98%.

Name Poverty
Less Than High School50.74%
Some College22.22%
High School15.84%
Bachelors or Greater0.00%
Name Poverty
Male Unemployed87.50%
Female Employed18.92%
Male Employed11.51%
Female Unemployed0.00%

Mermentau Income

Mermentau Income by Household Type

Name Median Mean
Households$35,231$45,443
Families$52,768$57,460
Married Families$80,000-
Non Families$21,500$23,842

Mermentau Marital Status

Mermentau Marital Status

Marriage Rates

43.0%

Overall Marriage Rate

43.4%

Male Marriage Rate

42.5%

Female Marriage Rate

Mermentau Married by Age and Sex

Mermentau Marriage

The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 35-44.

Mermentau Marital Status by Race

Mermentau Veterans

57

Number of Veterans

52

Male Veterans

5

Female Veterans

War Veterans
Vietnam41
World War II
Korea
First Gulf War
Second Gulf War

$Mermentau Veterans by Education

10.53%

Veteran Poverty Rate

45.61%

Veteran Disability Rate

Mermentau Employment Status

48.5%

Labor Force Participation

45%

Employment Rate

7.1%

Unemployment Rate

Mermentau Place of Birth

Origin of Non-Citizens

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

92.57%

Born in Louisiana

100.00%

Native Born

0.00%

Foreign Born

0.00%

Non Citizen

Place of Birth

100.00% of Mermentau residents were born in the United States, with 92.57% 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.

Year Population Growth Annual Growth Rate
2020619-9-1.43%
2019628-9-1.41%
2018637-6-0.93%
2017643-9-1.38%
2016652-1-0.15%
2015653-3-0.46%
201465610.15%
2013655-1-0.15%
2012656-2-0.30%
2011658-3-0.45%
20106610.00%