Postal Codes

70556 ZIP Code

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ZIP code 70556 covers Mermentau, Louisiana, with a population of about 570.

Population
570322 per square mile
Median age
68.629.9 points above the US average
Poverty rate
18.4%6 points above the US average
Median home value
$55,90073% below the Louisiana median
Median rent
$49053% below the Louisiana median
Degree or higher
36.5%1.5 points above the US average
Homeownership
81.3%16.3 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
15

Where 70556 is

Mermentau, Louisiana — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population570
Median age68.6
Family households81.3%
Born outside the US0%
Speaks a language other than English at home3.3%
White (non-Hispanic)83.9%
Black (non-Hispanic)10.9%
Asian (non-Hispanic)0%
Hispanic or Latino1.8%
Veterans3.1%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Income per person$27,886
Poverty rate18.4%
Households on SNAP or cash assistance13.6%

Household income distribution

Under $10k3.8%
$10–15k3.2%
$15–20k3.5%
$20–25k3.8%
$25–30k6.3%
$30–35k1.6%
$35–40k5.4%
$40–45k3.2%
$45–50k3.2%
$50–60k3.8%
$60–75k0.0%
$75–100k1.9%
$100–125k55.1%
$125–150k2.8%
$150–200k2.5%
$200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$55,900
Median gross rent$490
Owner-occupied81.3%
Vacant homes10%
Median year built1958

What the homes are

Detached house80.3%
2 to 4 units9.7%
5 to 19 units2.3%
20 or more units4.8%
Mobile home2.8%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate10.3%
Bachelor's degree or higher36.5%
High school diploma or higher79.7%
Works from home0%
Drives to work alone100%
Takes public transport0%
Commutes 45 minutes or more16%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity40% 6.6 pts above the national average of 33.4%
Diagnosed diabetes17.3% 5.3 pts above the national average of 12%
Currently smokes19.5% 6.3 pts above the national average of 13.2%
High blood pressure47% 12.9 pts above the national average of 34.1%
Fair or poor general health27.9% 7.6 pts above the national average of 20.3%
No health insurance (18–64)8.3% 3 pts below the national average of 11.3%
Depression29.7% 7.8 pts above the national average of 21.9%
No leisure-time physical activity34.9% 9.5 pts above the national average of 25.4%
Arthritis36.6% 11.5 pts above the national average of 25.1%
Binge drinking16% same as the national average of 16%
Taking blood pressure medication82.1% 7.4 pts above the national average of 74.7%
Cancer (non-skin)9.9% 2.2 pts above the national average of 7.7%
Current asthma10.7% same as the national average of 10.4%
Coronary heart disease9.8% 3.6 pts above the national average of 6.2%
Routine check-up in past year82.5% 5.8 pts above the national average of 76.7%
Cholesterol screening86.9% 1 pts above the national average of 85.9%
Cognitive disability20% 5.2 pts above the national average of 14.8%
Colorectal screening62.7% 1.6 pts below the national average of 64.3%
COPD11.5% 4.9 pts above the national average of 6.6%
Visited a dentist50.7% 10.6 pts below the national average of 61.3%
Any disability43.5% 12.8 pts above the national average of 30.7%
Lacks emotional support27% 2.2 pts above the national average of 24.8%
Food insecurity22% 4.9 pts above the national average of 17.1%
Received food stamps19.1% 4.8 pts above the national average of 14.3%
Hearing disability11% 4.3 pts above the national average of 6.7%
High cholesterol42.2% 6 pts above the national average of 36.2%
Housing insecurity14.7% 0.9 pts above the national average of 13.8%
Independent living disability12.1% 3.7 pts above the national average of 8.4%
Lacks transport10.9% 1.7 pts above the national average of 9.2%
Loneliness35.4% 1 pts above the national average of 34.4%
Mammography use74.7% 1.2 pts below the national average of 75.9%
Poor mental health (14+ days)20.1% 3.3 pts above the national average of 16.8%
Mobility disability22.6% 8.6 pts above the national average of 14%
Poor physical health (14+ days)18.4% 4.9 pts above the national average of 13.5%
Self-care disability6.1% 2.1 pts above the national average of 4%
Utility shut-off threat11% 2.2 pts above the national average of 8.8%
Sleeps under 7 hours37.1% 0.7 pts above the national average of 36.4%
Stroke5.3% 1.9 pts above the national average of 3.4%
All natural teeth lost25.7% 12.7 pts above the national average of 13%
Vision disability7.6% 2 pts above the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments15
People employed313
Annual payroll$12,938,000
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Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 94.6% of US census tracts
FEMA ratingRelatively High
Expected annual loss87.2 out of 100
Community resilience25 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Drought98.4Relatively High at its worst in this ZIP code
Hurricane96.9Relatively High at its worst in this ZIP code
Lightning96.6Very High at its worst in this ZIP code
River flooding95Relatively High at its worst in this ZIP code
Coastal flooding90.3Relatively Moderate at its worst in this ZIP code
Cold wave88.5Relatively High at its worst in this ZIP code
Ice storm86.2Relatively Moderate at its worst in this ZIP code
Wildfire79.8Relatively Low at its worst in this ZIP code
Heat wave76.2Relatively Moderate at its worst in this ZIP code
Tornado71.5Relatively Moderate at its worst in this ZIP code
Hail58.6Relatively Low at its worst in this ZIP code
Landslide56.3Very Low at its worst in this ZIP code
Strong wind51.9Relatively Low at its worst in this ZIP code
Winter weather45.1Relatively Low at its worst in this ZIP code
Earthquake34.7Very Low at its worst in this ZIP code
Compared with Louisiana and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPLouisianaUnited States
Median household income$60,023$78,538
Income per person$27,886$34,211$43,289
Poverty rate18.4%18.9%12.4%
Median home value$55,900$208,700$303,400
Median gross rent$490$1,038$1,348
Homeownership81.3%67.3%65%
Bachelor's degree or higher36.5%26.6%35%
Unemployment rate10.3%6.3%5.2%
Works from home0%7.2%13.5%
Born outside the US0%4.7%13.9%
Median age68.637.838.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationJENNINGS, LA US9 km away
Rain in a year64 in
Snow in a year0 in

Average high and low by month

January60.1°F / 41.6°F6.29 in rain
February63.9°F / 45.1°F4.25 in rain
March70.7°F / 51.5°F3.77 in rain
April77.1°F / 57.8°F4.79 in rain
May83.7°F / 65.9°F5.52 in rain
June88.5°F / 72°F6.61 in rain
July90.2°F / 73.7°F5.36 in rain
August91°F / 73.2°F6.8 in rain
September87.7°F / 69°F5.8 in rain
October80.4°F / 58.7°F4.73 in rain
November70.2°F / 49.2°F4.85 in rain
December62.5°F / 43.6°F4.74 in rain, 0.1 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

Acadia Parish School District100% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability74more vulnerable than 74% of US census tracts
Socioeconomic status69more vulnerable than 69% of US census tracts
Household characteristics91more vulnerable than 91% of US census tracts
Racial and ethnic minority status6more vulnerable than 6% of US census tracts
Housing type and transport73more vulnerable than 73% of US census tracts
Walkability4 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

70546 Jennings, LA9 km away
70537 Evangeline, LA9.3 km away
70531 Egan, LA10 km away
70534 Estherwood, LA10.4 km away
70559 Morse, LA11.1 km away
70549 Lake Arthur, LA15 km away
70581 Roanoke, LA17.6 km away
70543 Iota, LA17.7 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Acadia Parish100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area1.77 sq mi
Water area0.17 sq mi
Population density322 people per sq mi
Latitude, longitude30.1861, -92.5722

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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