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zipcodes.pro — CITY/LA/MERMENTAU

Mermentau ZIP code, Louisiana

The ZIP code for Mermentau, LA is 70556, and its area code is 337.

USPS city name
1 ZIP code
Overlapping the city
1 more
Population
627
Area code
337

NANPA lists no telephone rate centre for Mermentau itself, so these are the area codes of the nearest one, Jennings (7.5 miles). A town on an area-code boundary can differ from its neighbour.

Mail addressed to Mermentau uses the ZIP code above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.

Mermentau in numbers

About 627 people live in Mermentau, in 317 households. The median household income is $117,764 a year, 94% above the Louisiana median of $60,756 (US: $80,734). The median owner-occupied home is valued at $55,300 (74% below the Louisiana median), and median gross rent is $478 a month. The median age is 64.0; 37.0% of adults 25 and over hold a bachelor's degree or higher (27.0% across Louisiana); the average commute takes 19 minutes.

Population627Mermentau627
Households317Mermentau317
Median age64.0Mermentau64.0Louisiana38.0US 38.9
Median household income$117,764Mermentau$117,764Louisiana$60,756US $80,734
Median home value$55,300Mermentau$55,300Louisiana$216,500US $332,700
Median gross rent$478Mermentau$478Louisiana$1,064US $1,413
Bachelor's degree or higher37.0%Mermentau37.0%Louisiana27.0%US 35.7%
Mean commute18.6 minMermentau18.6 minLouisiana25.7 minUS 26.4 min
Population density294 / sq miMermentau294 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Mermentau village. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Mermentau

ZIP codes with the USPS city name Mermentau
ZIP City Type Population Median income Median home
70556 Mermentau , LA Standard 627 $117,764 $55,300

Other ZIP codes overlapping Mermentau

These ZIP codes cover part of Mermentau but are addressed as somewhere else.

ZIP codes overlapping Mermentau
ZIP City Type Population Median income Median home
70559 Morse , LA Standard 2,699 $71,563 $86,100

Map of Mermentau ZIP codes

70556

The ZIP codes of Mermentau, LA, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Mermentau

The nearest larger towns are Jennings (9,553 people, 5.1 mi), Egan (1,015 people, 5.9 mi) and Morse (1,099 people, 6.8 mi).

Towns near Mermentau
TownPopulationDistance
Jennings 9,553 5.1 mi
Lake Arthur 2,585 9.3 mi
Crowley 11,422 12.6 mi
Welsh 3,313 14.0 mi
Rayne 7,105 19.2 mi
Kaplan 4,238 21.9 mi
Eunice 9,239 23.1 mi
Iowa 3,200 25.9 mi
Church Point 4,096 26.6 mi
Maurice 2,584 28.2 mi
Scott 8,609 29.4 mi

More nearby: every ZIP code in Acadia Parish · Louisiana ZIP codes

Cite this page

zipcodes.pro. “Mermentau, LA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/la/mermentau

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