Mermentau, Louisiana Population 2021

621
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Mermentau is a city located in Acadia Parish Louisiana. With a 2020 population of 621, it is the 204th largest city in Louisiana and the 12389th largest city in the United States . Mermentau is currently declining at a rate of -0.64% annually and its population has decreased by -6.05% since the most recent census, which recorded a population of 661 in 2010. Mermentau reached it's highest population of in . Spanning over 2 miles, Mermentau has a population density of 291 people per square mile.

The average household income in Mermentau is $46,981 with a poverty rate of 23.85%. The median rental costs in recent years comes to $275 per month, and the median house value is $79,700. The median age in Mermentau is 38.2 years, 40.4 years for males, and 35.5 years for females.

Mermentau Demographics

According to the most recent ACS, the racial composition of Mermentauwas:

  • White: 79.28%
  • Black or African American: 18.48%
  • Two or more races: 2.24%
  • 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 621 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 629.The last official US Census in 2010 recorded the population at 661.

Mermentau, Louisiana Population 2021

Population by Race

Race Population Percentage
White53279.28%
Black or African American12418.48%
Two or More Races152.24%
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Mermentau Population by Race

Mermentau Population Pyramid $2021

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Mermentau Median Age

38.2


Total

40.4


Male

35.5


Female

Mermentau Adults

There are 513 adults, (93 of whom are seniors) in Mermentau.

Mermentau Age Dependency

59.8

Age Dependency Ratio

22.1

Old Age Dependency Ratio

37.6

Child Dependency Ratio

Mermentau Sex Ratio

Female

332

49.48%

Male

339

50.52%

Mermentau Population by Age

Mermentau Renter vs Owner Occupied by Household Type

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Mermentau Household Types

Type Owner Renter
Non Family39.1%60.9%
Male44.8%55.2%
Female58.1%41.9%
All61.3%38.7%
Married84.9%15.1%

61.3%

Rate of Home Ownership

Mermentau Households and Families

Type Count Average Size Owned
All2532.6561.3
Married1063.2284.9
Non Family871.0839.1
Female315.1658.1
Male292.6244.8

3.43

Average Family Size

2.65

Average Household Size

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Mermentau Households by Type

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Education Attained Count Percentage
Less Than 9th Grade132.86%
9th to 12th Grade9019.82%
High School Graduate21447.14%
Some College6514.32%
Associates Degree419.03%
Bachelors Degree153.30%
Graduate Degree163.52%
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Mermentau Educational Attainment by Sex (over 25)

Mermentau Educational Attainment by Race

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Race Total High School Bachelors
White40231331
Black4632
Hispanic66

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 7.71%.

Mermentau Educational Attainment by Race

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Name Average Male Female
Overall$30,489$36,250$22,841
Less Than 9th Grade$$$
High School Graduate$31,250$$
Some College$36,346$61,042$22,750
Bachelors Degree$$$
Graduate Degree$$$

$30,489

Average Earnings

$36,250

Average Male

$22,841

Average Female

Mermentau Earnings by Educational Attainment

Mermentau Language by Age

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Mermentau Language

92.63% of Mermentau residents speak only English, while 7.37% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 7.37% of the population.

Mermentau Language

Mermentau Poverty by Race

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Name Total In Poverty Poverty Rate
White5268716.54%
Black1247358.87%

23.85%

Overall Poverty Rate

25.66%

Male Poverty Rate

21.99%

Female Poverty Rate

Poverty in Mermentau

The race most likely to be in poverty in Mermentau is Black, with 58.87% below the poverty level.

The race least likely to be in poverty in Mermentau is White, with 16.54% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 5.38%. Among those working part-time, it was 35.64%, and for those that did not work, the poverty rate was 34.60%.

Mermentau Poverty

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Name Poverty
Less Than 9th Grade43.69%
Some College23.58%
High School13.55%
Bachelors or Greater0.00%

Mermentau Poverty Rate by Education

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Rate Poverty
Male Unemployed80.00%
Female Employed11.76%
Male Employed6.85%
Female Unemployed0.00%

Mermentau Poverty Rate by Employment Status and Sex

Mermentau Income by Household Type

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Name Median Mean
Households$34,583$46,981
Families$44,167$56,999
Married Families$79,643-
Non Families$24,792$27,685
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Income by Household Type

Mermentau Marital Status

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Marriage Rates

41.6%

Overall Marriage Rate

44.5%

Male Marriage Rate

38.8%

Female Marriage Rate

Mermentau Married by Age and Sex

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Mermentau Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is Over 65.

Mermentau Marital Status by Race

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Mermentau Marital Status

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50

Number of Veterans

45

Male Veterans

5

Female Veterans

War Veterans
Vietnam26
World War II
Korea
First Gulf War
Second Gulf War

Mermentau Veterans by War

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Age Group Veterans
65 to 7419
55 to 6415
75+10
35 to 546
18 to 34

Mermentau Veterans by Age

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Name Veterans % of Total
White4510.04%
Black57.69%

Mermentau Veterans by Race

Mermentau Veterans by Education

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0.00%

Veteran Poverty Rate

38.00%

Veteran Disability Rate

Mermentau Veterans by Education

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51.7%

Labor Force Participation

47.3%

Employment Rate

8.5%

Unemployment Rate

Mermentau Employment by Age

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Mermentau Employment by Race

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Mermentau Employment by Education

Origin of Non-Citizens

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

Origin of Naturalized Citizens

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92.10%

Born in Mermentau

100.00%

Native Born

0.00%

Foreign Born

0.00%

Non Citizen

0.00%

Naturalized

Place of Birth

100.00% of Mermentau residents were born in the United States, with 92.10% 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.

Mermentau Place of Birth

Note: 2020 and 2021 data is projected
Year Population Growth Annual Growth Rate
2021621-4-0.64%
2020625-4-0.64%
2019629-4-0.63%
2018633-7-1.09%
2017640-6-0.93%
2016646-4-0.62%
2015650-3-0.46%
2014653-1-0.15%
2013654-1-0.15%
2012655-3-0.46%
2011658-3-0.45%
20106610.00%

Mermentau Population by Year