City profile · Louisiana · Census ACS 2023

Mermentau, LA

Population, income, housing, safety, climate and schools for Mermentau - drawn straight from Census ACS, FBI UCR, NOAA, NCES, HUD and FEMA, refreshed on the 2024–2025 release cycle.

570
Residents
$112,864
Median income
$55,900
Median home
$880
Median rent (state)

Mermentau - the verdict

Measured against every US city with at least 1,000 residents, Mermentau lands in the 84th percentile for household income. Source: Census ACS.

84th
percentile, household income
1st
percentile, home value
3rd
percentile, median rent
📝 How we sourced this

Population, income, and housing-cost figures come from the U.S. Census Bureau American Community Survey 5-year estimates (B-series tables). Crime data uses FBI UCR; climate uses NOAA Climate Normals; school counts come from NCES Common Core of Data; permits use the Census Building Permits Survey (BPS). See our methodology page for the full ETL pipeline and OMB / FIPS join keys.

Data Snapshot: Mermentau, LA

570 people live in Mermentau, Louisiana - a small town by U.S. Census Bureau ACS 2023 estimates. Mermentau households earn a median of $112,864 annually, placing it in the top quartile of U.S. cities for household income, with a poverty rate of 7.4%. Typical homes in Mermentau are valued around $55,900, and the median resident age is 68.6 years. About 36.5% of adults hold a bachelor's degree or higher, while 24.3% of working-age residents are in the labor force.

Housing supply pressure shows in Census Building Permit Survey data: 0 residential units were authorized in 2024 (No Permits).

Living costs in Louisiana run below the national norm: on BEA's 100-equals-national-average cost index, Louisiana scores 88.2 (Well Below Average), per the 2024 Regional Price Parities release. Statewide, HUD pegs Fair Market Rent for a two-bedroom unit at $880 monthly. Statewide, average monthly utility bills in Louisiana run around $212, per EIA 2023 residential energy data. Commute times here average 21.5 minutes, with 100.0% driving alone and 0.0% working from home, per Census ACS commuting data. Natural-hazard exposure scores 88.6 out of 100 on FEMA's National Risk Index (Very High).

Population

570 residents

Census ACS 2023 - Louisiana

Median Household Income

$112,864 /yr

Poverty 7.4%

Cost of Living Index (state)

88.2 (US=100)

Well Below Average - BEA RPP 2024, Louisiana average

How does Mermentau compare to other US cities?

Where Mermentau sits among all US cities (population 1,000+) on each measure, computed live from Census and FBI data.

Household income 84% higher than other cities
Home value 1% pricier than other cities
Median rent 3% pricier than other cities

"Safer than" reflects total crime rate from FBI UCR; the others use Census ACS estimates.

How we calculate these percentiles & ranks

Each percentile compares Mermentau against every qualifying US city; each in-state rank narrows that to Louisiana only. Full formula and direction notes: methodology.

Louisiana-relative analysis

Median Home Value places Mermentau near the bottom of Louisiana's cities

Among the 419 Louisiana cities PlainCities tracks with reported median home value data, Mermentau ranks #401 - the 4th percentile within the state. This is a different, narrower cut than the nationwide percentiles above: it compares Mermentau only against its own state's cities, not the full US field.

Median Household Income
#13 of 426
97th percentile in Louisiana
Median Gross Rent
#320 of 477
30th percentile in Louisiana
Median Home Value
#401 of 419
4th percentile in Louisiana
Poverty Rate
#352 of 475
25th percentile in Louisiana
Bachelor's Degree or Higher
#35 of 477
93rd percentile in Louisiana

Ranked by raw value (highest first); a higher rank is not automatically "better" for every measure, see each metric's own context above. This is a comparison within Louisiana only, not a livability score. See the methodology for the source and calculation.

84thIncome percentile

84th percentile nationally for median household income. Source: Census ACS 2023 / FBI UCR 2023.

How Mermentau's home value compares nationally

Median home value vs. every US city (population 1,000+)

$55,900 Among the most affordable more affordable than 99% of 15,600 US cities

$0–$25,000: 5 US cities (0%). Below this entry. $25,000–$50,000: 54 US cities (0%). Below this entry. $50,000–$75,000: 352 US cities (2%). This entry sits in this band. $75,000–$100,000: 1,086 US cities (7%). Above this entry. $100,000–$125,000: 1,516 US cities (10%). Above this entry. $125,000–$150,000: 1,170 US cities (8%). Above this entry. $150,000–$175,000: 1,278 US cities (8%). Above this entry. $175,000–$200,000: 1,229 US cities (8%). Above this entry. $200,000–$225,000: 1,035 US cities (7%). Above this entry. $225,000–$250,000: 976 US cities (6%). Above this entry. $250,000–$275,000: 754 US cities (5%). Above this entry. $275,000–$300,000: 712 US cities (5%). Above this entry. $300,000–$325,000: 521 US cities (3%). Above this entry. $325,000–$350,000: 526 US cities (3%). Above this entry. $350,000–$375,000: 465 US cities (3%). Above this entry. $375,000–$400,000: 393 US cities (3%). Above this entry. $400,000–$425,000: 317 US cities (2%). Above this entry. $425,000–$450,000: 300 US cities (2%). Above this entry. $450,000–$475,000: 307 US cities (2%). Above this entry. $475,000–$500,000: 250 US cities (2%). Above this entry. $500,000–$525,000: 160 US cities (1%). Above this entry. $525,000–$550,000: 156 US cities (1%). Above this entry. $550,000–$575,000: 172 US cities (1%). Above this entry. $575,000–$600,000: 172 US cities (1%). Above this entry. $600,000–$625,000: 163 US cities (1%). Above this entry. $625,000–$650,000: 167 US cities (1%). Above this entry. $650,000–$675,000: 135 US cities (1%). Above this entry. $675,000–$700,000: 101 US cities (1%). Above this entry. $700,000–$725,000: 95 US cities (1%). Above this entry. $725,000–$750,000: 71 US cities (0%). Above this entry. $750,000–$775,000: 65 US cities (0%). Above this entry. $775,000–$800,000: 70 US cities (0%). Above this entry. $800,000–$825,000: 57 US cities (0%). Above this entry. $825,000–$850,000: 67 US cities (0%). Above this entry. $850,000–$875,000: 60 US cities (0%). Above this entry. $875,000–$900,000: 58 US cities (0%). Above this entry. $900,000–$925,000: 47 US cities (0%). Above this entry. $925,000–$950,000: 37 US cities (0%). Above this entry. $950,000–$975,000: 31 US cities (0%). Above this entry. $975,000–$1,000,000: 470 US cities (3%). Above this entry. $1,000,000–$1,025,000: 0 US cities (0%). Above this entry. Mermentau $0 $1,025,000 every US city, bucketed by value

Each bar is a $25K-wide band; taller bars hold more US cities. 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 · 2023

Income distribution context

Household income distribution - Mermentau, LA Mermentau, LA's reported median household income shown against the U.S. national quintile-share pattern (not Mermentau, LA-specific quintile data). The Lorenz curve traces the national cumulative income share against cumulative population share, perfect equality is the diagonal; observed inequality bows below. $ Household Income Distribution Mermentau, LA median $112,864/yr, vs. U.S. national quintile pattern QUINTILE SHARE OF AGGREGATE INCOME Lowest 20% 3.4% Second 20% 9.2% Middle 20% 15.1% Fourth 20% 23.2% Top 20% 49.1% LORENZ CURVE cumulative income vs. population 100% 0% 100% pop. 0%
Mermentau, LA's median household income (Census ACS 5-year estimate) plotted against the U.S. national income-quintile distribution pattern for context; the quintile shares and Lorenz curve are national figures, not computed specifically for Mermentau, LA. Diagonal = perfect equality.

Key socioeconomic indicators

Bachelor's degree or higher (adults 25+) 36.5%

Census ACS S1501, educational attainment

Poverty rate (households below FPL) 7.4%

Census ACS S1701, poverty status

Labor force participation (adults 16+) 24.3%

Census ACS S2301, share of working-age residents in the labor force

Population
570
Median Income
$112,864
Median Home Value
$55,900
Median Age
68.6
Poverty Rate
7.4%
Labor force participation
24.3%
Bachelor's Degree+
36.5%

Schools

Total Schools
1
Public schools in this city

Population Change

Annual U.S. Census Bureau Population Estimates Program (PEP) estimates, 2020–2025

See the fastest-growing cities →
480 residents490 residents500 residents510 residents520 residents 202020212022202320242025 514 residents 490 residents ▼ -4.7%
Mermentau's Census PEP population estimates, 2020–2025.

Housing Supply

Census Bureau Building Permits Survey (BPS) - annual residential permits authorized

Total Permits (2024)
0
housing units authorized
Single-Family
0
detached homes
Multifamily
0
apartments & condos

5-Year Permit Trend (2019–2024)

Year Total
2019 0
2020 0
2021 0
2022 0
2023 0
2024 0

Commute Patterns

How workers travel to work, Census ACS 2023

Average Commute Time
21.5 minutes
Drive Alone
100.0%
Carpool
0.0%
Public Transit
0.0%
Walk
0.0%
Work from Home
0.0%

Based on 131 workers 16 and over.

Monthly Utility Costs

State-average estimates for Louisiana - EIA 2023 residential energy data

Electricity
$130
avg/month
Natural Gas
$40
avg/month
Water & Sewer
$42
avg/month
Total Utilities
$212
estimated/month

Estimates reflect Louisiana state averages. Actual costs vary by home size, usage, and local rates. Source: U.S. Energy Information Administration (EIA) 2023.

Living Costs & Risk

Cost of living is a Louisiana state average from BEA; rent and hazard risk are county-level figures from HUD and FEMA for the county Mermentau sits in

Cost of Living Index
88.2
Well Below Average
US average = 100 · BEA RPP 2024
Typical 2-BR Rent
$880/mo
HUD Fair Market Rent
County-level FMR estimate
Natural Hazard Risk
88.6 / 100
Very High
FEMA NRI composite score (county)

Similar Cities in Louisiana

Grayson
568 people
Waterproof
573 people
Dulac
574 people
Oretta
565 people
Springfield
565 people
Port Vincent
581 people

Cities of a Similar Size Nationwide

Population-matched peers from other states, closest to Mermentau's 570 residents (Census ACS 5-Year 2023).

Central City, AR
570 people
Coatesville, IN
570 people
Sutherland, IA
570 people
Martin, MI
570 people
Lynd, MN
570 people
Stewart, MN
570 people

Cities with a Similar Household Income Nationwide

Median-household-income-matched peers from other states, closest to Mermentau's $112,864 (Census ACS 5-Year 2023, table B19013).

Finzel, MD
$112,868 median income
Folsom, NJ
$112,857 median income
Springboro, OH
$112,872 median income
Annandale, VA
$112,872 median income
Cotati, CA
$112,841 median income
Foristell, MO
$112,823 median income

Race & Ethnicity Composition

Race and ethnicity - Mermentau, LA Race categories sum to one hundred percent per Census methodology. Hispanic or Latino is shown separately as an ethnicity overlay; it cuts across all race categories per OMB Directive 15. Race & Ethnicity Composition Mermentau, LA - Census ACS, OMB race + ethnicity categories RACE, sums to 100% 83.9% 10.9% ETHNICITY, Hispanic or Latino (any race) 1.8% White 83.9% Black or African American 10.9% Asian 0.0% American Indian 0.0% Native Hawaiian 0.0% Some other race 0.0% Two or more races 5.3% Per OMB Directive 15: Hispanic/Latino ethnicity is reported separately from the race categories.
Race categories sum to 100%. Hispanic or Latino ethnicity is reported separately and cuts across race per Census/OMB methodology.

City-level race and ethnicity, Census ACS 5-year 2023 (tables B02001, B03001), OMB Directive 15 categories.

How Mermentau compares to nearby Louisiana cities

Population + median household income, sourced from Census Bureau ACS 5-year B01001 (population) and B19013 (median household income).

City Population Median Household Income
Mermentau (this city) 570 $112,864
Grayson 568 $55,250
Waterproof 573 $24,286
Dulac 574 $56,563
Census ACS 5-year FIPS LA NCES CCD Census BPS 2024 OMB Bulletin 23-01

What do people ask about Mermentau, LA?

What is the population of Mermentau, LA? +

570 people live in Mermentau, LA according to U.S. Census Bureau ACS 2023 estimates.

What is the median household income in Mermentau, LA? +

In Mermentau, the typical household earns $112,864 per year, based on Census ACS 2023 data.

What is the cost of living in Mermentau? +

BEA does not publish a city-level cost-of-living figure for Mermentau; the closest available measure is the Louisiana state average, a cost of living index of 88.2 (U.S. average = 100), rated "Well Below Average" based on BEA Regional Price Parities 2024 data. Costs within Louisiana vary by metro area.

What is the median home value in Mermentau, LA? +

A typical home in Mermentau is worth $55,900, according to Census ACS 2023 estimates.

Source: U.S. Census Bureau ACS 5-Year 2023, NCES CCD, Census BPS 2024, Census ACS B08301/B08136, U.S. Energy Information Administration (EIA) 2023, BEA Regional Price Parities 2024, HUD Fair Market Rents 2026, FEMA National Risk Index.

Read our methodology - how this data is sourced, computed, and verified.

Primary sources: Census ACS, FBI UCR, NOAA Climate Normals, NCES.

Citation & verification links Data sourced from the U.S. Census Bureau. See our methodology for details. Retrieved and formatted by PlainCities

Verify with HUD →

Verify with FBI →

Verify with NOAA →

Verify with U.S. Census Bureau →

Verify with EPA →

Verify with FEMA →

Verify with BEA →

Verify with EIA →

Verify with NCES →

Every figure on PlainCities is rendered directly from Census ACS source data, no number is typed in by an editor. This page draws directly on Census ACS source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.