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Mermentau, LA

Village in Acadia Parish, Louisiana. ZIP codes: 70556.

Population

627

Land area

2.1sq mi

People per sq mi

294

ZIP codes

1

Mermentau and its ZIP codes

Full map

Mermentau at a glance

  • Mermentau is about 2.8 times as dense as Louisiana as a whole.
  • The median household income is $117,764, 94% above the Louisiana median of $60,756.
  • A typical owner-occupied home is valued at $55,300 (74% below Louisiana) and median rent is $478 a month.

Local data for Mermentau, LA

Counts from official public data

Housing and community stats

Mermentau, LA, American Community Survey 2020-2024

Full profile

Median household income

$117,764

Poverty rate

20.4%

Median home value

$55,300

Median rent

$478/mo

Homeownership

86.1%

Bachelor's or higher

37.0%

Median age

64.0

Average commute

18.6 min

Largest reported origins and ancestries: French Americans (61), German Americans (24), Scottish Americans (15).

Home values and rentsIncome, education and commute

Economy and federal money

Jobs, pay, income and spending are for Acadia Parish. PPP loans are for Mermentau.

Details

Unemployment rate

3.7%

Sep 2026, -0.6 pts in a year

Average annual pay

$46,047

14,889 jobs, 2025

Income per person

$51,423

BEA, 2024

Federal spending

$356M

FY 2026, $6,183 per person

PPP loans

$375K

9 loans, 59 jobs reported

Acadia Parish economyFederal spendingPPP loans

How people get to work

Mermentau, LA, workers 16 and older. American Community Survey 5-year estimates

  • Drove alone100.0%
  • Carpooled0.0%
  • Public transit0.0%
  • Walked0.0%
  • Bicycle0.0%
  • Taxi, ride-hailing, motorcycle or other0.0%
  • Worked from home0.0%

Average one-way commute: 18.6 minutes for people who do not work from home.

Environment and hazard risk

Mermentau, LA, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Moderate

Top: hurricane

Storm events since 1996

274

Countywide, mostly thunderstorm wind

Flood insurance policies

2,184

9.2% of homes, county

July high / Jan low

90° / 42°F

63.5 inches of rain a year

Hazards, floods and storm historyCheck a flood zone

Health statistics

Share of adults in Mermentau, LA, CDC PLACES estimates

All 40 measures

Obesity

40.2%

U.S. 33.3% +6.9 pts

Diabetes

17.8%

U.S. 12.1% +5.7 pts

Smoking

19.6%

U.S. 12.8% +6.8 pts

Uninsured (18-64)

8.3%

U.S. 11.1% -2.8 pts

ZIP codes in Mermentau

1 in or overlapping Mermentau. Population shown

·

Cities near Mermentau

NameDistanceLand area (sq mi)
MidlandCensus-designated place4.7 mi0.2
JenningsCity5.2 mi10.6
EganCensus-designated place6.1 mi4.8
MorseVillage6.9 mi1.4
EstherwoodVillage7.1 mi1.9
Lake ArthurTown9.4 mi1.9
RoanokeCensus-designated place10 mi0.4
IotaTown11 mi1.3
GueydanTown12 mi0.9
CrowleyCity13 mi5.9
WelshTown14 mi6.3
RayneCity19 mi3.8
LacassineCensus-designated place20 mi1.7
BasileTown21 mi1.2
HayesCensus-designated place21 mi2.8
EltonTown21 mi1.7

Frequently asked questions

What county is Mermentau, LA in?
Mermentau is in Acadia Parish, Louisiana.
What ZIP codes are in Mermentau, LA?
ZIP codes in or overlapping Mermentau include 70556.
What is the population of Mermentau, LA?
About 627 people live in Mermentau, based on American Community Survey 5-year estimates.
What cities are near Mermentau?
Nearby places include Midland (4.7 mi), Jennings (5.2 mi), Egan (6.1 mi), Morse (6.9 mi), Estherwood (7.1 mi).

Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023

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