PlainZIP

Mermentau, LA

Single-footprint Census roll-up for Mermentau, LA: 1 USPS ZIP, population 331. Open the primary ZIP for household income, housing tenure, and commute from ACS 2023 5-Year Estimates.

U.S. Census Bureau, SimpleMaps US ZIP Code Database, delivery-area ZIP coverage

ACS city ledger plate

Sheet MERMENTAU-LA · Mermentau, LA 1 ZIPs · 331 pop · #2376/25278 · Acadia Parish

INC-TOP · RANK-TOP · ABOVE-PEER · BOOK-ONE · OWN-HIGH · POP-VILLAGE · SPREAD-UNK · HOME-LOW

  • INC-TOP $117,764
  • RANK-TOP #2376/25278
  • ABOVE-PEER over Morse
  • BOOK-ONE 1 ZIP
  • OWN-HIGH 86% owners
  • POP-VILLAGE 331
  • SPREAD-UNK Single-ZIP book
  • HOME-LOW $55,300

Nearest income peer: Morse, LA ( $46,201 income $)

Instrument codes from this city’s ACS household income, national rank, county-peer gap, ZIP book, owner tenure, population scale, intra-city income spread, and home-value band, not a moving recommendation.

Income neighbourhood around Mermentau

Lowest/highest poles plus county-sharing cities nearest Mermentau on average ZIP median household income. Full ladder: /cities.

median HH income

What this shows County-sharing peers only, not the full US city board. Open a near peer when the gap is small; open the poles when the mosaic is wide.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2026-08-25

National city placement

According to ACS 5-Year Estimates, Mermentau, LA sits among US cities with a top-decile household income, on a village-scale population base, across a single-ZIP footprint.

Top 9%
household income vs 25,278 US cities
331
city population (Census)
1
USPS ZIP codes covered
$117,764
avg ZIP median income

Income percentile ranks this city's average ZIP median household income against 25,278 US cities with ACS income on at least one ZIP. Scale and ZIP-spread words come from Census population and USPS ZIP coverage.

High-income footprint on only 1 ZIP: the city page and the ZIP page nearly coincide. Headline income $117,764 and home value $55,300 should be read as near-neighborhood numbers ; bachelor's attainment averages 37.0%.

Owner-occupancy here runs high (86.1%) - tenure is stable enough that the ZIP detail's owner share is the right next click, not a renter-heavy compare.

Within Louisiana, Theriot is the closest lower-income city and Des Allemands the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Mermentau.

Population concentration

One ZIP, 70556, is all of Mermentau

There is no split to weigh here: 70556 holds every one of Mermentau's 331 ACS residents. City-level and ZIP-level numbers on this site are the same number twice, check the ZIP page for the income/tenure/commute breakdown.

Census ZBP business roll-up

Dense ZBP book packed into Mermentau's one ZIP

Citywide ZBP: 16 establishments, 309 employees , annual payroll $16,067k (~48 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 70556 (16 units) ; leading NAICS Construction (3) .

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ZIP Codes in Mermentau, LA

These ZIP codes sit in Acadia Parish, which covers 10 ZIP codes in all; 1 of them fall in Mermentau. See the Acadia Parish roll-up →

No other city sharing Acadia Parish reports a higher average ZIP median income than Mermentau. Crowley, Rayne and Church Point sit below it, so a household comparing this county on income alone starts here. Crowley marks the far end of that range at $37,747, 68% below Mermentau.

ZIP Code Population Median income Establishments Density
70556 331 $117,764 16 20
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Mermentau roll-ups here are for informational purposes only and do not constitute financial or relocation advice. ACS and Census ZBP figures are estimates; confirm the current table against Census before a money or move decision involving Mermentau, .