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Louisiana ZIP Codes
Evangeline County
Mamou, LA
70554
70554 ZIP Code — Mamou, LA
Evangeline County, Louisiana
ZIP code 70554 is located in
Mamou ,
Louisiana ,
within Evangeline County .
It covers approximately 133.82 square miles and serves a population of
5,128 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 337 .
About ZIP code 70554
The housing stock consists of a mix of housing types. Most homes were built in the 1990s, giving the area an established character. Median home value is $89,600. Owner-occupancy sits near the national average at 61%.
Median household income is $25,356. Poverty affects 40% of residents, above the national average. SNAP benefit usage at 34% of households reflects economic stress in the area. 41% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is service, with education and healthcare as the leading industry. The average commute of 26 minutes is near the national average.
College attainment at 13% is below the national average, consistent with a trades and production-oriented local economy.
Health indicators show elevated rates of diabetes (16%), smoking (28%) compared to national benchmarks.
Notable community characteristics include disability rates above the national average at 27%.
Overall, ZIP code 70554 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, a significant Social Security-dependent population, and elevated reliance on food assistance.
70554 ZIP code map
View map of 70554
Cities in ZIP code 70554
Below are the cities the US Postal Service accepts for ZIP code 70554. Using any city not on this list may result in mail delivery delays.
City
Status
Mamou
Preferred
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
5,128
Population density
38 / sq mi
State FIPS
22
County FIPS
039
Geography
Land area
133.82 sq mi
Water area
0.29 sq mi
Latitude
30.6408
Longitude
-92.4735
Timezone
Central (CT)
Area code
337
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
76.0%
67.9%
49.2%
$50k – $100k
17.0%
21.2%
27.7%
$100k – $200k
5.2%
9.1%
18.3%
Over $200k
1.8%
1.8%
4.7%
Demographics & statistics
$25,356
Median household income
13.4%
Bachelor's or higher
Age distribution
Age summary
Group Count % Under 18 1,501 29.3% 18 and over 3,627 70.7% 65 and over 887 17.3% Median age 38.8 years
Race & ethnicity
Black or African American
28.5%
Group Count % White 2,947 53.7% Black or African American 1,564 28.5% Hispanic or Latino 365 6.6% Other race 365 6.6% Two or more races 252 4.6%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
76.0%
67.9%
49.2%
$50k – $100k
17.0%
21.2%
27.7%
$100k – $200k
5.2%
9.1%
18.3%
Over $200k
1.8%
1.8%
4.7%
Range % of households Under $10k 6.9% $10k–$15k 12.6% $15k–$25k 29.0% $25k–$35k 15.4% $35k–$50k 7.3% $50k–$75k 10.9% $75k–$100k 6.6% $100k–$150k 5.6% $150k–$200k 3.4% $200k+ 2.3% Median income $25,356
Housing
Housing overview
Metric Value Median home value $89,600 Median rent / month $525 Owner occupied 61.4% Renter occupied 38.6% Vacant 16.7% Single-family detached 63.3% Large apartment buildings 5.5% Mobile homes 10.9% Median rooms 5.2 Avg household size (owned) 2.74
Year built
Era % 2020 or later 0.0% 2010–2019 5.5% 2000–2009 10.7% 1990–1999 21.6% 1980–1989 10.0% 1970–1979 13.7% 1960–1969 14.4% 1950–1959 15.1% 1940–1949 4.6% 1939 or earlier 4.5%
Bedrooms
Size % of units No bedroom (studio) 0.3% 1 bedroom 13.9% 2 bedrooms 23.4% 3 bedrooms 56.6% 4 bedrooms 5.7% 5+ bedrooms 0.1%
Vehicles per household
Vehicles % of households No vehicle 11.0% 1 vehicle 52.3% 2 vehicles 23.8% 3 or more 12.9%
Heating fuel
Fuel type % Utility gas 34.3% Electricity 61.6% Propane / LP gas 4.1%
Households & families
Household type Count % Married-couple family 686 31.9% Cohabiting couple 25 1.2% Male householder, no spouse 514 23.9% Female householder, no spouse 926 43.0% Households with children under 18 742 34.5% Households with seniors (65+) 674 31.3% Average household size 2.35
Marital status
Status Male Female Never married 35.2% 24.0% Married 41.8% 35.0% Separated 3.6% 5.4% Widowed 3.0% 11.4% Divorced 16.4% 24.3%
Education
Some college, no degree
21.2%
Graduate / professional
3.3%
Metric % HS diploma or higher 83.2% Bachelor's or higher 13.4%
School enrollment (ages 3–17)
Type Count % Nursery / preschool 83 5.9% Kindergarten 139 9.9% Elementary school 714 51.1% High school 301 21.5% College / grad school 161 11.5%
Employment
Industry of employment
Education & healthcare
33.2%
Agriculture & mining
10.8%
Transportation & utilities
8.9%
Arts, food & hospitality
6.9%
Public administration
6.7%
Professional & management
2.7%
Finance & real estate
2.3%
Occupation
Category % Management, business & arts 23.8% Service 33.1% Sales & office 18.1% Natural resources & construction 20.7% Production & transportation 4.2%
Employment type
Type % Private sector 67.5% Government 29.0% Self-employed 3.5% Unpaid family workers 0.0%
Commute
Method % Drive alone 78.1% Carpool 2.2% Public transit 0.0% Walk 0.3% Work from home 1.0% Other means 18.3% Avg commute (minutes) 26.0
Poverty
Married-couple families
22.6%
Female-led households
74.5%
Income support
Source % of households Social Security 41.3% Retirement income 24.7% Supplemental Security 16.0% Cash public assistance 0.5% Food stamps / SNAP 34.2%
Health indicators
Condition % Obesity 41.7% High blood pressure 43.5% High cholesterol 37.5% Diabetes 16.2% Heart disease 8.9% Stroke 5.1% Asthma 10.9% Arthritis 29.7% Kidney disease 4.2% Pulmonary disease 11.3% Cancer 6.4%
Behavior / access % Smoking 27.6% Binge drinking 17.5% No physical activity 38.2% Less than 7 hrs sleep 39.7% Depression 27.5% Fair or poor health 26.5% Poor mental health 19.7% Poor physical health 16.4% No health insurance 17.8% Visited doctor (checkup) 79.0% Visited dentist 46.3% Cholesterol screening 87.5% Teeth loss 25.0%
Veterans & disability
Veterans Count % Civilian veterans 89 2.5%
Disability % Any disability 27.0% Under 18 11.3% 18–64 years 24.9% 65 and over 62.4%
Health insurance coverage
Type % Private insurance 34.1% Public insurance 71.0% No insurance 3.0% Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count % English only 4,775 93.1% Spanish 39 0.8% Other Indo-European 0 0.0% Asian & Pacific Islander 39 0.8% Other languages 0 0.0%
Place of birth & citizenship
Origin Count % Native born (US) 5,128 100.0% Born in same state 5,121 99.9% Born in different state 4,518 88.1% Foreign born 7 0.1% Naturalized citizen 0 0.0% Not a US citizen 0 0.0%
Ancestry
Ancestry Count % German 311 6.1% French 209 4.1%
Ancestry Count % Arab 145 2.8% Italian 52 1%
Technology access
Metric % of households Computer access 41.9% Internet access 81.5%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 70554
What city is ZIP code 70554 in?
ZIP code 70554 is primarily assigned to Mamou, Louisiana.
What county is ZIP code 70554 in?
ZIP code 70554 falls within Evangeline County, Louisiana.
What is the poverty rate in ZIP code 70554?
40% of residents in ZIP code 70554 live below the poverty line, above the national average.
How educated is the population of ZIP code 70554?
13% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.
Does ZIP code 70554 have a large retiree population?
41% of households in ZIP code 70554 receive Social Security income, suggesting a significant retiree or disability population.
What is the median household income in ZIP code 70554?
The median household income in ZIP code 70554 is $25,356, below the national median of ~$75,000.
What timezone is ZIP code 70554 in?
ZIP code 70554 observes the CST timezone.
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