Home > LA > Acadia County > Mermentau > Zip 70556

Zip Code 70556 — Mermentau, LA

70556 is a ZIP Code associated with Mermentau, LA, located within Acadia. The postal region supports an estimated population of 627 residents across Data Pending housing units, with a population density of 136.8 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (30.190720, -92.583250)

Data Metric	Local Statistic
Postal / Zip Code	70556
Primary City	Mermentau
State / Province	LA
County	Acadia
Total Population	627
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	136.8 people/sq mi
Timezone	America/Chicago

How 70556 Compares

Metric	ZIP 70556	Acadia County	LA State Average
Population	627	81,284	4,611,457
Median Income	Data Pending	N/A	N/A
Population Density	136.8 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 70537	Evangeline	4.7 mi	381	N/A
Zip 70531	Egan	5.9 mi	1,477	N/A
Zip 70559	Morse	6.2 mi	2,699	N/A
Zip 70546	Jennings	7.3 mi	15,242	N/A
Zip 70534	Estherwood	7.9 mi	622	N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →