Mermentau, LA · standard
ZIP Code 70556
Acadia Parish, Louisiana - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 331
- 20/sq mi Moderate-density area
- $117,764
- Median income Above-median income area
- $55,300
- Median home value Below-median home value
- 37.0%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Mermentau pairs a top-decile household income with among the most affordable home values nationally, in a rural, homeowner-dominated area.
- Top 10%
- household income, US ZIPs
- 1st pct
- home value, US ZIPs
- 20
- people per sq mi
- 86%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 70556 against every reporting US ZIP.
ZIP code 70556 is a sparsely populated ZIP (a standard USPS delivery area) in Mermentau, Acadia Parish, Louisiana, home to just 331 residents across 16.6 square miles, a density of 20 people per square mile, in the Chicago time zone.
ZIP 70556 skews affluent, with a median household income of $117,764 (97% above the average Louisiana ZIP), while per-capita income is $24,407. Economic pressure is pronounced: 20.4% of residents are below the poverty line and unemployment is 16.3%. Home values sit below the statewide ZIP benchmark: the median is $55,300 (69% below the average Louisiana ZIP), and median rent is $478; owner occupancy is 86.1%.
A solid share of residents have a four-year degree: 37.0% of adults hold a bachelor's degree or higher, the median age is 64, and the average commute is -. The page also surfaces 6 ZIP codes within roughly 10 miles and 6 more in Acadia Parish, so 70556 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, 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; FHFA HPI updated quarterly/annually.
Quick Facts
331
Population
16.6
Area (sq mi)
20
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 70556?
64.0
Median Age
36.2%
Male
63.8%
Female
0.0%
Foreign-Born
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)
How much do residents earn?
$117,764
Median Household Income
+97% vs state ZIP avg
$24,407
Per Capita Income
20.4%
Poverty Rate
16.3%
Unemployment Rate
How ZIP 70556 ranks among Louisiana ZIPs
Mermentau, LA household income vs. every Louisiana ZIP code
Median household income among 457 reporting Louisiana ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$117,764 Top 2% higher than 98% of 457 Louisiana ZIPs
Each bar is a $20K-wide band; taller bars hold more Louisiana ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
351housing units
351
Total Housing Units
317
Occupied Units
34
Vacant Units
1.98
Avg Household Size
Occupancy Type
$55,300
Median Home Value
-69% vs state ZIP avg
$478
Median Rent
1958
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
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 70556 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 70546
Jennings (70546)
16,425 residents
- 70543 4,077
Iota (70543)
4,077 residents
- 70559 2,943
Morse (70559)
2,943 residents
- 70531 1,261
Egan (70531)
1,261 residents
- 70534 899
Estherwood (70534)
899 residents
- 70537 541
Evangeline (70537)
541 residents
- 70556 331
Mermentau (70556)
331 residents
What this shows Among its immediate neighbors, ZIP 70556 ranks #7 by population - useful context the national average alone can't give.
ZIP 70556 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 70556
Mermentau (70556)
$117,764 median income
- 70559
Morse (70559)
$71,563 median income
- 70543
Iota (70543)
$62,083 median income
- 70546
Jennings (70546)
$52,229 median income
- 70534 $45,833
Estherwood (70534)
$45,833 median income
What this shows By household income, ZIP 70556 ranks the highest of 5 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 70556, both outside LA so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Acadia Parish
Related Areas
Frequently Asked Questions
What parish is ZIP code 70556 in?
ZIP code 70556 (Mermentau) is located in Acadia Parish, Louisiana. Acadia Parish 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.
Related
Take this with you
What to do with ZIP 70556's numbers, next.
- See how ZIP 70556 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Mermentau, LA ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.