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Louisiana ZIP Codes
Saint Mary County
Berwick, LA
70342
70342 ZIP Code — Berwick, LA
Saint Mary County, Louisiana
ZIP code 70342 is located in
Berwick ,
Louisiana ,
within Saint Mary County .
It covers approximately 7.46 square miles and serves a population of
4,786 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 985 .
About ZIP code 70342
The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $158,400. Owner-occupancy is high at 77%, well above the national average.
Median household income is $52,083. Poverty affects 24% of residents, above the national average. SNAP benefit usage at 19% of households reflects economic stress in the area. 34% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is sales and office, with education and healthcare as the leading industry. The average commute of 18 minutes is near the national average.
Educational attainment is near the national average, with 22% of residents holding a bachelor's degree or higher.
Health indicators show elevated rates of smoking (26%) compared to national benchmarks.
Overall, ZIP code 70342 reflects a community defined by economic challenges above the national average, high homeownership, a significant Social Security-dependent population, and elevated reliance on food assistance.
70342 ZIP code map
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Cities in ZIP code 70342
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
4,786
Population density
642 / sq mi
State FIPS
22
County FIPS
101
Geography
Land area
7.46 sq mi
Water area
1.12 sq mi
Latitude
29.6352
Longitude
-91.1731
Timezone
Central (CT)
Area code
985
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
55.0%
59.3%
49.2%
$50k – $100k
22.9%
26.4%
27.7%
$100k – $200k
17.6%
12.1%
18.3%
Over $200k
4.5%
2.2%
4.7%
Demographics & statistics
$52,083
Median household income
$158,400
Median home value
22.1%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 1,441 30.1%
18 and over 3,345 69.9%
65 and over 610 12.7%
Median age 34.6 years
Race & ethnicity
Black or African American
11.9%
American Indian / Alaska Native
0.2%
Group Count %
White 3,824 77.3%
Black or African American 588 11.9%
Two or more races 278 5.6%
Hispanic or Latino 163 3.3%
Other race 85 1.7%
American Indian / Alaska Native 11 0.2%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
55.0%
59.3%
49.2%
$50k – $100k
22.9%
26.4%
27.7%
$100k – $200k
17.6%
12.1%
18.3%
Over $200k
4.5%
2.2%
4.7%
Range % of households
Under $10k 8.7%
$10k–$15k 12.1%
$15k–$25k 9.3%
$25k–$35k 9.9%
$35k–$50k 8.6%
$50k–$75k 10.4%
$75k–$100k 9.9%
$100k–$150k 18.2%
$150k–$200k 6.3%
$200k+ 6.6%
Median income $52,083
Housing
Housing overview
Metric Value
Median home value $158,400
Median rent / month $497
Owner occupied 76.7%
Renter occupied 23.3%
Vacant 13.2%
Single-family detached 64.0%
Large apartment buildings 0.3%
Mobile homes 17.6%
Median rooms 5.3
Avg household size (owned) 2.62
Year built
Era %
2020 or later 0.0%
2010–2019 7.1%
2000–2009 15.9%
1990–1999 8.1%
1980–1989 17.3%
1970–1979 23.9%
1960–1969 13.6%
1950–1959 8.2%
1940–1949 1.9%
1939 or earlier 4.1%
Bedrooms
Size % of units
No bedroom (studio) 0.6%
1 bedroom 9.0%
2 bedrooms 30.7%
3 bedrooms 44.2%
4 bedrooms 12.3%
5+ bedrooms 3.2%
Vehicles per household
Vehicles % of households
No vehicle 7.8%
1 vehicle 44.0%
2 vehicles 36.6%
3 or more 11.6%
Heating fuel
Fuel type %
Utility gas 25.6%
Electricity 74.4%
Households & families
Household type Count %
Married-couple family 750 42.8%
Cohabiting couple 165 9.4%
Male householder, no spouse 117 6.7%
Female householder, no spouse 722 41.2%
Households with children under 18 623 35.5%
Households with seniors (65+) 518 29.5%
Average household size 2.71
Marital status
Status Male Female
Never married 39.6% 29.8%
Married 50.6% 42.2%
Separated 3.3% 2.4%
Widowed 2.6% 9.3%
Divorced 3.8% 16.4%
Education
Some HS, no diploma
15.7%
Some college, no degree
12.9%
Graduate / professional
9.0%
Metric %
HS diploma or higher 75.8%
Bachelor's or higher 22.1%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 102 8.4%
Kindergarten 113 9.3%
Elementary school 522 43.0%
High school 353 29.1%
College / grad school 125 10.3%
Employment
Industry of employment
Education & healthcare
20.1%
Arts, food & hospitality
13.6%
Agriculture & mining
7.5%
Transportation & utilities
5.5%
Finance & real estate
4.1%
Professional & management
4.1%
Public administration
3.6%
Occupation
Category %
Management, business & arts 30.9%
Service 13.3%
Sales & office 33.8%
Natural resources & construction 2.3%
Production & transportation 19.7%
Employment type
Type %
Private sector 83.7%
Government 13.8%
Self-employed 2.5%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 87.8%
Carpool 8.7%
Public transit 0.0%
Walk 2.5%
Work from home 0.4%
Other means 0.7%
Avg commute (minutes) 17.8
Poverty
Married-couple families
9.9%
Female-led households
42.0%
Income support
Source % of households
Social Security 34.3%
Retirement income 12.0%
Supplemental Security 13.2%
Cash public assistance 2.6%
Food stamps / SNAP 19.3%
Health indicators
Condition %
Obesity 34.7%
High blood pressure 37.1%
High cholesterol 36.5%
Diabetes 12.7%
Heart disease 7.5%
Stroke 3.9%
Asthma 10.3%
Arthritis 25.7%
Kidney disease 3.3%
Pulmonary disease 9.7%
Cancer 6.0%
Behavior / access %
Smoking 25.7%
Binge drinking 19.9%
No physical activity 32.5%
Less than 7 hrs sleep 34.4%
Depression 28.2%
Fair or poor health 22.3%
Poor mental health 19.7%
Poor physical health 14.5%
No health insurance 17.0%
Visited doctor (checkup) 76.0%
Visited dentist 51.1%
Cholesterol screening 86.6%
Teeth loss 22.6%
Veterans & disability
Veterans Count %
Civilian veterans 193 5.9%
Disability %
Any disability 14.8%
Under 18 6.2%
18–64 years 13.0%
65 and over 43.4%
Health insurance coverage
Type %
Private insurance 49.2%
Public insurance 52.2%
No insurance 5.8%
Uninsured under 19 1.7%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 4,273 89.3%
Spanish 63 1.5%
Other Indo-European 63 1.5%
Asian & Pacific Islander 0 0.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 4,737 99.0%
Born in same state 4,734 98.9%
Born in different state 4,200 87.8%
Foreign born 3 0.1%
Naturalized citizen 49 1.0%
Not a US citizen 0 0.0%
Ancestry
Ancestry Count %
Arab 478 10%
French 292 6.1%
Italian 233 4.9%
Ancestry Count %
German 134 2.8%
English 30 0.6%
Technology access
Metric % of households
Computer access 36.6%
Internet access 85.5%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 70342
What city is ZIP code 70342 in?
ZIP code 70342 is primarily assigned to Berwick, Louisiana.
What county is ZIP code 70342 in?
ZIP code 70342 falls within Saint Mary County, Louisiana.
Is ZIP code 70342 family-oriented?
30% of residents in ZIP code 70342 are under 18, reflecting a younger, family-oriented community.
What is the poverty rate in ZIP code 70342?
24% of residents in ZIP code 70342 live below the poverty line, above the national average.
What is the typical home value in ZIP code 70342?
The median home value in ZIP code 70342 is $158,400.
What is the population of ZIP code 70342?
ZIP code 70342 has an estimated population of 4,786 residents, with a density of 641 people per square mile.
What timezone is ZIP code 70342 in?
ZIP code 70342 observes the CST timezone.
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