ZIP Code 70556

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Mermentau · Acadia County · Louisiana

ZIP code 70556 in Mermentau, Louisiana has a population of 331. The median household income is $117,764, which is 54% above the national average. Median home value is $55,300, 80% below the US average. 37.0% of residents hold a bachelor's degree or higher.

ZIP code 70556 is classified by USPS as a standard delivery area and covers roughly 16.6 square miles in Mermentau, Acadia County, Louisiana. The area is home to 331 residents, producing a population density of 20 people per square mile, and falls within the Chicago time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 70556 against Louisiana and the nation.

On the economic side, the median household income for ZIP 70556 sits at $117,764 (97% above the Louisiana average), while per-capita income is $24,407. The poverty rate stands at 20.4% and the unemployment rate at 16.3%. On housing, the median home value is $55,300 (69% below the state average) with median rent at $478 per month, and 86.1% of occupied units are owner-occupied — a direct signal of whether 70556 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 37.0% of adults hold a bachelor's degree or higher, the median age is 64, and the average commute is . We also surface 6 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Acadia County, so you can benchmark 70556 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data — no estimates, no proprietary scoring.

Source: U.S. Census Bureau — American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 70556, Mermentau, LA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.

Quick Facts

331

Population

16.6

Area (sq mi)

20

People / sq mi

Chicago

Time Zone

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ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Demographics

64.0

Median Age

36.2%

Male

63.8%

Female

0.0%

Foreign-Born

White 83.3%
African American 11.8%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 4.9%
Hispanic or Latino 1.6%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

Income & Employment

$117,764

Median Household Income

+97% vs state

$24,407

Per Capita Income

20.4%

Poverty Rate

16.3%

Unemployment Rate

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

Education

High School Graduate or Higher 62.4%
Bachelor's Degree or Higher 37.0%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

Housing

351

Total Housing Units

317

Occupied Units

34

Vacant Units

1.98

Avg Household Size

Occupancy Type

Owner 86.1%
Renter 13.9%

$55,300

Median Home Value

-69% vs state

$478

Median Rent

1958

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

Local Business Landscape

Census Bureau data shows 16 business establishments in ZIP 70556, employing approximately 309 people with a combined annual payroll of $16,067,000.

16

Businesses

309

Employees

$16.1M

Annual Payroll

1

Industry Sectors

Industry Establishments % of Total
Construction 3 18.8%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 70556 vs 70537 →

ZIP Code City Population Distance
70537 Evangeline, LA 541 4.4 mi
70531 Egan, LA 1,261 4.1 mi
70534 Estherwood, LA 899 7.0 mi
70559 Morse, LA 2,943 5.8 mi
70546 Jennings, LA 16,425 8.1 mi
70543 Iota, LA 4,077 10.3 mi

More ZIP Codes in Acadia County

Related Areas

Frequently Asked Questions

What county is ZIP code 70556 in?
ZIP code 70556 (Mermentau) is located in Acadia County, Louisiana. Acadia County contains multiple ZIP codes — see the full list at /counties/acadia-la.
What is the population of ZIP code 70556?
ZIP code 70556 in Mermentau, LA has a population of 331 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 70556?
The median household income in ZIP 70556 is $117,764, which is 54% above the national average of $76,288.
What is the average home value in ZIP 70556?
The median home value in ZIP 70556 is $55,300, which is 80% below the national average of $278,155.
What is the demographic makeup of ZIP 70556?
The largest racial group in ZIP 70556 is White at 83.3%. Hispanic or Latino residents make up 1.6% of the population.
How many businesses are in ZIP code 70556?
ZIP code 70556 has 16 business establishments employing approximately 309 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 70556?
In ZIP code 70556, 62.4% of residents aged 25+ have a high school diploma or higher, and 37.0% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 70556?
In ZIP code 70556, approximately 86.1% of occupied housing units are owner-occupied and 13.9% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 70556?
The poverty rate in ZIP code 70556 is 20.4% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

ZIP Code Research Guides

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Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.

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