Median Income
$112,864
50% higher than US avg
Home Value
$55,900
80% lower than US avg
Violent Crime
424/100K
12% higher than US avg
Bachelor's+
36.5%
8% higher than US avg
Median Rent
$490
58% lower than US avg
Obesity Rate
40.6%
26% higher than US avg
Unemployment
2.8%
22% lower than US avg
Poverty Rate
7.4%
40% lower than US avg
How Mermentau Compares to the U.S. Average (100% = U.S. avg)
People
Population570
Median Age68.6 yrs
Density268/mi²
Male / Female35% / 65%
Largest GroupWhite 84%
Veterans3.2%
Economy
A+
Median Income$112,864
Per Capita$27,886
Unemployment2.8%
Poverty7.4%
County GDP$2,067M
Commute22 min
Housing
A+
Home Value$55,900
Rent$490
Ownership81.3%
Zillow$131,294
Housing Units384
Rent Burden40.7%
Crime
F
Violent424/100K
Property2,890/100K
Health
Obesity40.6%
Uninsured9.3%
Smoking20.6%
Depression32.0%
Heart Disease6.8%
Climate
Avg Temp68°F (20°C)
AQI42 (Good)
Rain63.5 in/yr
Sunny Days313/yr
Elevation11 ft (3 m)
Education
B+
Bachelor's+36.5%
High School+79.7%
Graduate+2.1%
School Score4.74
Community
2024 VoteR 82% / D 18%
Commute22 min
Broadband38.3%
EV Stations2
Libraries7
Is Mermentau a Good Place to Live?
Based on current data, Mermentau receives an overall livability score of 3.7 out of 5.0, earning a grade of B+. Key strengths include above-average household incomes, low unemployment, affordable housing, abundant sunshine. Areas to be aware of include high obesity rates. Mermentau offers a solid quality of life with a good balance of affordability, safety, and opportunity.
Economy & Jobs
The median household income in Mermentau is $112,864, which is significantly higher than the national average / 50% above $75,149. This places Mermentau among higher-income communities. The job market is very strong with unemployment at just 2.8%. Only 7.4% of residents live below the poverty line, well below the national rate of 12.4%. Workers commute an average of 22 minutes.
Cost of Living & Housing
The median home value in Mermentau is $55,900, 80% below the national median / offering relatively affordable homeownership. Renters pay a median of $490 per month, below the national average / a plus for affordability. At just 0.5x median income, home prices are very affordable relative to local earnings.
Safety & Crime
The violent crime rate of 424 per 100,000 is above the national average of 380 / something for prospective residents to consider. Property crime occurs at a rate of 2,890 per 100,000, 47% above the national average.
Education
Educational attainment is solid, with 36.5% holding a bachelor's degree or higher, near the national average. 79.7% have completed high school. Area schools have an average test score of 4.7/10.
Climate & Weather
Mermentau enjoys a moderate climate with an average annual temperature of 68°F. Winters average 51°F in January while summers reach 82°F in July. With 313 sunny days per year, residents enjoy well above the national average of sunshine. Annual precipitation totals 63.5 inches. Air quality is rated Good with a median AQI of 42.
Mermentau has a population of 570 with a density of 268 people per square mile, spread across 0.9 square miles. The median age is 68.6 years, 76% older than the national median of 38.9. The gender split is 64.7% female and 35.3% male. The city is predominantly White (83.9%), with 1.8% Hispanic, 10.9% Black. English is the primary language spoken at home by 96.4% of residents. 3.2% of the population are veterans, below the national rate of 6.0%. 14.9% of residents have a disability. 98.0% have health insurance coverage.
Population
68.6yrs
Median Age
76% above US avg
Race & Ethnicity
Mermentau vs U.S. Average
Language Spoken at Home
English Only
96.4%
23% above US avg
Spanish
3.6%
73% below US avg
Social Characteristics
Mermentau vs U.S. Average
The median household income in Mermentau is $112,864, which is 50% above the national average of $75,149. Per capita income is $27,886 (below the $39,052 national figure). The average weekly wage is $867, 39% lower than the U.S. average. The unemployment rate is 2.8% (below the 3.6% US average). 7.4% of residents live below the poverty line, lower than the national rate of 12.4%. The area has 1,460 business establishments, including 91 restaurants. The cost of living index is 88.2, below the national baseline of 100 / offering relatively affordable living. Workers commute an average of 22 minutes (shorter than the 28-minute US average). 0.0% of workers work from home (below the 15.2% national rate).
Income: Mermentau vs U.S.
Income
| Median HH Income | $112,864 |
| 50% above US avg |
| Per Capita Income | $27,886 |
| Avg Weekly Wage | $867 |
| IRS Avg AGI | $56,101 |
| Gini Index | 0.478 (0=equal, 1=unequal) |
Employment & Poverty
| Unemployment | 2.8% |
| 22% below US avg |
| Poverty Rate | 7.4% |
| 40% below US avg |
| Establishments (County) | 1,460 |
| County GDP | $2,067M |
Business (County)
| Restaurants | 91 |
| Healthcare | 141 |
| Retail | 168 |
| Manufacturing | 46 |
Tax & Cost of Living
| Property Tax (IRS) | $1,946 |
| 44% below US avg |
| Cost of Living | 88.20 (100=avg) |
| Effective Tax Rate | 3.48% |
Commute & Transportation
| Commute Time | 21.5 min |
| Drive Alone | 100.0% |
| Public Transit | 0.0% |
| Work from Home | 0.0% |
The median home value in Mermentau is $55,900, 80% below the national median of $281,900. Zillow estimates the typical home value at $131,294, higher than the Census estimate. Monthly rent averages $490 (58% below the national average of $1,163). Fair market rent ranges from $832 for a one-bedroom to $1,007 for a two-bedroom apartment. 81.3% of housing units are owner-occupied (above the 65.4% national rate). There are 384 total housing units in the city. The median year a home was built is 1959. The average annual property tax is $1,946 (lower than the $3,500 national average). 40.7% of renters spend 30% or more of their income on housing, indicating a significant affordability challenge for renters. The home price-to-income ratio is 0.5x, well within the affordable range.
Home Values
| Census Median | $55,900 |
| 80% below US avg |
| Zillow ZHVI | $131,294 |
Real Estate Market (Redfin)
Rental Costs
| Census Median Rent | $490 |
| 58% below US avg |
| Rent Burden | 40.7% |
HUD Fair Market Rent
| Studio | $763 |
| 1 Bedroom | $832 |
| 2 Bedrooms | $1,007 |
| 3 Bedrooms | $1,298 |
| 4 Bedrooms | $1,508 |
Ownership & Property
| Homeownership | 81.3% |
| Owner-Occupied | 81.3% |
| Renter-Occupied | 18.7% |
| Housing Units | 384 |
| Median Year Built | 1959 |
Property Tax
| Avg Tax (IRS) | $1,946 |
| 44% below US avg |
| Effective Rate | 3.48% |
In Mermentau, 40.6% of adults are obese, above the national rate of 32.1%. 13.1% have diabetes (above the 10.5% national rate). Heart disease affects 6.8% of residents, above the national average. 39.3% have high blood pressure. 20.6% are current smokers (above the 14.0% national rate). 19.1% report binge drinking. 32.5% are physically inactive, above the national average. 32.0% report depression (above the 20.0% national average). 22.7% experience frequent mental distress. 9.3% of residents lack health insurance. The primary care physician ratio is 1:2,728. The dentist ratio is 1:2,270. 45.8% of residents have access to exercise opportunities. The food environment index is 6.9 out of 10.
Health Metrics: Mermentau vs U.S. Average (%)
Chronic Conditions
| Obesity | 40.6% |
| 26% above US avg |
| Diabetes | 13.1% |
| Heart Disease | 6.8% |
| High Blood Pressure | 39.3% |
| Asthma | 11.0% |
| COPD | 9.0% |
| Cancer | 7.0% |
| Stroke | 3.9% |
Behaviors & Mental Health
| Smoking | 20.6% |
| 47% above US avg |
| Binge Drinking | 19.1% |
| Physical Inactivity | 32.5% |
| Depression | 32.0% |
| Mental Distress | 22.7% |
| Physical Distress | 16.4% |
| Short Sleep | 39.1% |
Healthcare Access
| Insurance Rate | 98.0% |
| Uninsured | 9.3% |
| 8% above US avg |
| Primary Care | 1:2,728 |
| Dentists | 1:2,270 |
| Mental Health | 1:672 |
| Checkup Rate | 79.1% |
| Dental Visits | 49.8% |
| Premature Death | 14,440/100K |
Food & Exercise
| Food Environment | 6.9/10 |
| Exercise Access | 45.8% |
| Healthcare Facilities | 141 |
Mermentau has a violent crime rate of 424 per 100,000 residents, 12% above the national average of 380. Property crime stands at 2,890 per 100,000, 47% above the U.S. average. The county recorded 14 fatal traffic crashes. Overall, Mermentau receives a safety grade of F.
Crime Rates: Mermentau vs U.S. Average (per 100,000)
Violent Crime
| Total Violent | 424.2/100K |
| 12% above US avg |
| |
Property Crime
| Total Property | 2,890.1/100K |
| 47% above US avg |
Traffic Safety
| Fatal Crashes (County/yr) | 14 |
| Avg Accident Severity | 0.0 / 4.0 |
Safety Score
| Safety Grade | F |
| Safety Score | 1.0 / 5.0 |
Mermentau enjoys a temperate climate with an average annual temperature of 68°F (20°C). Winters average 51°F in January while summers reach 82°F in July. The area gets 313 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 63.5 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 42. The city sits at an elevation of 11 feet, near sea level.
Temperature
51°F Jan (11°C)
82°F Jul (28°C)
| Annual Average | 67.8°F |
| 26% above US avg |
| January Average | 51°F (11°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 313 days/yr |
Geography
| Elevation | 11 ft (3 m) |
| Area | 0.9 sq mi (2.3 km²) |
| Population Density | 268/sq mi |
| Coordinates | 30.1880°N, 92.5838°W |
| Timezone | America/Chicago |
| County | Acadia Parish County |
| Nearest Airport | Chennault International (CWF)
33 miles away |
Precipitation & Snow
Annual Rainfall
63.5"
67% above US avg
Wettest Month (Jul)
5.67"
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 88.6 / 100 |
| Social Vulnerability | 86.7 / 100 |
| Community Resilience | 30.3 / 100 |
Hazard Breakdown
| Tornado |
Relatively Moderate |
| Hurricane |
Relatively High |
| Earthquake |
Very Low |
| Wildfire |
Very Low |
| Flood |
Relatively Moderate |
| Hail |
Relatively Low |
| Strong Wind |
Relatively Low |
| Heat Wave |
Relatively Moderate |
| Winter Weather |
Relatively Low |
| Lightning |
Relatively High |
| Ice Storm |
Relatively Moderate |
| Drought |
Relatively High |
| Cold Wave |
Relatively Moderate |
| Landslide |
Very Low |
| Coastal Flood |
Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Hurricane History
23 hurricanes (Cat 1+) within 500 km since 1980.
Strongest: Category 4. Most recent: Francine (2024, Cat 2).
| Year |
Name |
Category |
Closest |
| 2024 |
Francine |
Category 2 |
159 km |
| 2021 |
Ida |
Category 4 |
177 km |
| 2020 |
Laura |
Category 4 |
81 km |
| 2020 |
Zeta |
Category 3 |
221 km |
| 2020 |
Delta |
Category 3 |
32 km |
| 2019 |
Barry |
Category 1 |
75 km |
| 2012 |
Isaac |
Category 1 |
219 km |
| 2008 |
Ike |
Category 2 |
227 km |
| 2008 |
Gustav |
Category 2 |
67 km |
| 2007 |
Humberto |
Category 1 |
98 km |
| 2005 |
Katrina |
Category 4 |
287 km |
| 2005 |
Rita |
Category 3 |
121 km |
| 2005 |
Cindy |
Category 1 |
264 km |
| 2002 |
Lili |
Category 3 |
34 km |
| 1997 |
Danny |
Category 1 |
282 km |
| 1992 |
Andrew |
Category 4 |
86 km |
| 1989 |
Jerry |
Category 1 |
258 km |
| 1989 |
Chantal |
Category 1 |
176 km |
| 1986 |
Bonnie |
Category 1 |
168 km |
| 1985 |
Elena |
Category 2 |
273 km |
Source: NOAA IBTrACS (Cat 1+, 1980–2026)
Tornado History
635 tornadoes (EF0+) within 100 km since 1950.
Strongest: EF3. Total: 34 fatalities, 555 injuries.
| Date |
Rating |
Distance |
Fatalities |
| Apr 10, 2021 |
EF3 |
80 km |
1 |
| May 17, 2020 |
EF3 |
43 km |
1 |
| Dec 16, 2019 |
EF3 |
98 km |
1 |
| Nov 21, 1992 |
EF3 |
43 km |
0 |
| May 20, 1984 |
EF3 |
86 km |
0 |
| Feb 9, 1983 |
EF3 |
36 km |
0 |
| Feb 9, 1983 |
EF3 |
45 km |
0 |
| Jan 31, 1983 |
EF3 |
92 km |
1 |
| Jan 31, 1983 |
EF3 |
36 km |
1 |
| Apr 21, 1977 |
EF3 |
62 km |
1 |
| Oct 29, 1974 |
EF3 |
14 km |
2 |
| Oct 29, 1974 |
EF3 |
49 km |
0 |
| Apr 17, 1973 |
EF3 |
57 km |
0 |
| Feb 12, 1971 |
EF3 |
59 km |
0 |
| Dec 25, 1969 |
EF3 |
37 km |
1 |
| May 1, 1967 |
EF3 |
63 km |
0 |
| Sep 10, 1961 |
EF3 |
34 km |
1 |
| Nov 7, 1957 |
EF3 |
41 km |
4 |
| Oct 15, 1957 |
EF3 |
58 km |
1 |
| Apr 4, 1952 |
EF3 |
28 km |
0 |
Source: NOAA SPC (EF0+, 1950–2024)
Wildfire History
20 wildfires (100+ acres) within 100 km.
Largest: LASBR-BIL-FY23-RX-PRESCRIBED FIRE (18,392 ac, 2023).
| Year |
Name |
Acres |
Distance |
| 2023 |
LASBR-BIL-FY23-RX-PRESCRIBED FIRE |
18,392 |
89 km |
| 2005 |
LACASSINE POOL |
16,640 |
40 km |
| 2000 |
UNNAMED |
12,496 |
63 km |
| 2011 |
SABINE WEST - 2011 (UNIT 3) |
10,195 |
100 km |
| 2014 |
PINTAIL |
9,498 |
92 km |
| 1987 |
U 1 PF 87 09 |
8,953 |
91 km |
| 1998 |
UNIT 1 RX |
8,913 |
94 km |
| 2006 |
UNNAMED |
8,563 |
50 km |
| 2022 |
NORTHLINE |
8,096 |
95 km |
| 2000 |
RX 3 |
7,409 |
99 km |
| 2013 |
LEONARD |
7,235 |
96 km |
| 2023 |
HWY 113 |
7,104 |
93 km |
| 2005 |
UNIT 3 |
6,764 |
95 km |
| 2005 |
UNNAMED |
6,588 |
39 km |
| 2010 |
CICADA |
6,380 |
95 km |
| 2009 |
DOG HOUSE |
6,267 |
95 km |
| 2011 |
GRAND FUE |
6,006 |
91 km |
| 2004 |
UNIT 3-04-1W |
5,973 |
98 km |
| 1997 |
UNIT 2 RX |
5,837 |
96 km |
| 2009 |
TARGA |
5,697 |
98 km |
Source: NIFC/IRWIN (100+ acres)
Monthly Weather
| Month |
Avg Temperature |
Precipitation |
Summary |
| January |
51°F (11°C) |
5.6 in |
Coldest |
| February |
54°F (12°C) |
4.0 in |
Driest |
| March |
61°F (16°C) |
4.4 in |
|
| April |
67°F (20°C) |
4.1 in |
|
| May |
75°F (24°C) |
5.6 in |
|
| June |
80°F (27°C) |
5.4 in |
|
| July |
82°F (28°C) |
5.7 in |
Warmest, Wettest |
| August |
82°F (28°C) |
5.2 in |
|
| September |
78°F (25°C) |
5.6 in |
|
| October |
69°F (20°C) |
4.3 in |
|
| November |
60°F (15°C) |
4.8 in |
|
| December |
53°F (12°C) |
5.4 in |
|
Mermentau has a seasonal temperature swing of 31°F / from 51°F in January to 82°F in July. Total annual precipitation is 60.0 inches, with July being the wettest month (5.7") and February the driest (4.0").
Average costs for common services in Mermentau. Prices are estimated based on regional cost of living data and may vary by provider.
Healthcare
| Doctor Visit (Primary Care) |
$221 ($132–$353) |
| Specialist Visit |
$309 ($176–$485) |
| Urgent Care Visit |
$176 ($88–$309) |
| Emergency Room Visit |
$1,940 ($706–$4,410) |
| Dental Cleaning |
$115 ($66–$176) |
| Dental Filling |
$221 ($132–$353) |
View all 40 services
Auto Repair
| Oil Change (Conventional) |
$40 ($22–$66) |
| Oil Change (Synthetic) |
$66 ($44–$106) |
| Brake Pad Replacement |
$265 ($132–$441) |
| Tire Rotation |
$35 ($18–$66) |
| New Tires (Set of 4) |
$529 ($353–$882) |
| Battery Replacement |
$176 ($88–$309) |
View all 18 services
Home Services
| Plumber (Per Hour) |
$88 ($53–$132) |
| Electrician (Per Hour) |
$79 ($44–$123) |
| HVAC Repair |
$353 ($132–$706) |
| HVAC System Install |
$6,174 ($3,528–$10,584) |
| Roof Repair |
$882 ($353–$1,764) |
| Roof Replacement |
$7,938 ($4,851–$13,230) |
View all 25 services
Legal
| Divorce (Uncontested) |
$1,323 ($441–$3,087) |
| Divorce (Contested) |
$13,230 ($4,410–$26,460) |
| DUI Defense |
$4,410 ($1,764–$8,820) |
| Bankruptcy (Chapter 7) |
$1,323 ($706–$2,646) |
| Will Preparation |
$441 ($176–$882) |
| Trust Preparation |
$2,205 ($882–$4,410) |
View all 12 services
Personal Care
| Men's Haircut |
$22 ($13–$40) |
| Women's Haircut |
$49 ($26–$88) |
| Hair Coloring (Full) |
$132 ($66–$221) |
| Manicure |
$22 ($13–$40) |
| Pedicure |
$35 ($22–$57) |
| Massage (1 Hour) |
$71 ($44–$115) |
View all 12 services
Food & Grocery
| Gallon of Milk (per gallon) |
$3.62 ($2.65–$4.85) |
| Dozen Eggs (per dozen) |
$3.09 ($2.21–$4.41) |
| Loaf of Bread |
$3.35 ($2.21–$4.85) |
| Chicken Breast (per lb) |
$3.97 ($2.65–$5.73) |
| Ground Beef (per lb) |
$4.85 ($3.53–$6.62) |
| Rice (per lb) |
$0.88 ($0.53–$1.59) |
View all 20 services
Utilities
| Electricity (Monthly) |
$123 ($71–$221) |
| Natural Gas (Monthly) |
$62 ($26–$132) |
| Water/Sewer (Monthly) |
$62 ($35–$106) |
| Internet (Monthly) |
$62 ($35–$88) |
| Cell Phone Plan (Monthly) |
$57 ($26–$88) |
| Cable TV (Monthly) |
$75 ($44–$132) |
View all 8 services
Transportation
| Monthly Parking (Downtown) |
$176 ($66–$441) |
| Car Insurance (Annual) |
$1,764 ($1,058–$3,087) |
| Bus Pass (Monthly) |
$62 ($26–$115) |
| Taxi/Uber (5-Mile Ride) |
$13 ($7.06–$22) |
| Car Registration (Annual) |
$88 ($26–$221) |
| Driver's License Renewal |
$26 ($13–$66) |
View all 8 services
Education & Childcare
| Daycare (Infant, Monthly) |
$1,058 ($529–$2,205) |
| Daycare (Toddler, Monthly) |
$882 ($441–$1,764) |
| After-School Care (Monthly) |
$353 ($176–$617) |
| Tutoring (Per Hour) |
$44 ($22–$88) |
| SAT/ACT Prep Course |
$882 ($353–$2,205) |
| Private School (K-12, Annual) |
$11,025 ($4,410–$26,460) |
View all 8 services
Pets
| Vet Visit (Routine Checkup) |
$53 ($26–$88) |
| Dog Vaccination (Annual) |
$88 ($44–$176) |
| Dog Grooming |
$53 ($26–$88) |
| Pet Boarding (Per Night) |
$35 ($18–$66) |
| Dog Spay/Neuter |
$265 ($132–$441) |
| Cat Spay/Neuter |
$176 ($88–$353) |
View all 9 services
Childcare
| Center-Based (monthly) |
| Infant | $686 |
| Toddler | $658 |
| Preschool | $635 |
| Family Childcare (monthly) |
| Infant | $606 |
| Toddler | $606 |
| Preschool | $606 |
Source: DOL Women's Bureau (2022)
Frequently Asked Questions About Mermentau
What is the population of Mermentau?
Mermentau has a population of 570 residents and is located in Louisiana. The population density is 268 people per square mile, spread across 0.9 square miles. The median age of residents is 68.6 years, which is older than the national median of 38.9 years. The population is 64.7% female and 35.3% male.
Is Mermentau expensive to live in?
Mermentau is more affordable than the national average, with a cost of living index of 88.2 / below the baseline of 100. The median household income is $112,864, 50% above the national average of $75,149. The median home value is $55,900 (80% below the U.S. median). Renters pay a median of $490 per month, below the national average of $1,163. The home price-to-income ratio is 0.5x, indicating housing is reasonably affordable relative to local income levels.
Is Mermentau safe?
The violent crime rate in Mermentau is 424 per 100,000 residents, above the national average of 380. Prospective residents should research specific neighborhoods, as crime rates can vary significantly within the city. Property crime occurs at a rate of 2,890 per 100,000 (above the national average). Overall, Mermentau receives a safety grade of F based on combined crime data.
What is the weather like in Mermentau?
Mermentau enjoys a temperate climate with an average annual temperature of 68°F (20°C). Winter temperatures average 51°F in January, while summers reach an average of 82°F in July. The area receives 313 sunny days per year, well above the national average of 205. Annual rainfall totals 63.5 inches. Air quality is rated Good with a median Air Quality Index (AQI) of 42.
How is the job market in Mermentau?
The job market in Mermentau is very strong, with unemployment at just 2.8% / well below the national rate of 3.6%. The average weekly wage is $867. There are 1,460 business establishments in the area, including 91 restaurants and food service locations. The average commute time is 22 minutes, and 0.0% of workers work from home.
How much does housing cost in Mermentau?
The median home value in Mermentau is $55,900. Zillow estimates the typical home value at $131,294. For renters, the median monthly rent is $490. Fair market rent is $832 for a 1-bedroom and $1,007 for a 2-bedroom apartment. The homeownership rate is 81.3%. The average annual property tax is $1,946.
How are the schools in Mermentau?
Schools in Mermentau have an average test score of 4.7 out of 10, below typical national benchmarks. Families may want to research individual school ratings. 36.5% of adults in Mermentau hold a bachelor's degree or higher, above the national average of 33.7%. 79.7% have completed high school. 2.1% hold a graduate or professional degree.
How healthy is Mermentau?
The obesity rate in Mermentau is 40.6% (above the national rate of 32.1%). 20.6% of adults are smokers. 32.5% are physically inactive. 32.0% of residents report depression. 9.3% lack health insurance. 45.8% of residents have access to exercise opportunities. The primary care physician ratio is 1:2,728.
What is transportation like in Mermentau?
The average commute in Mermentau is 22 minutes, shorter than the national average of 28 minutes. 100% of workers drive alone to work, and 0.0% work from home.
What are the demographics of Mermentau?
The racial and ethnic makeup of Mermentau is 83.9% White, 10.9% Black or African American, 1.8% Hispanic or Latino. 96.4% of residents speak only English at home, while 3.6% speak Spanish. 3.2% of the population are military veterans. 14.9% of residents have a disability. 98.0% have health insurance coverage.
All Countries
