PlainZIP

Berwick, LA · standard

ZIP Code 70342

St. Mary County, Louisiana - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

4,979
259/sq mi
$51,580
Median income
$212,400
Median home value
27.3%
Bachelor's or higher

The verdict

Berwick pairs one of the lowest household incomes in the country with below-median home values, in a low-density, homeowner-dominated area.

16th pct
household income, US ZIPs
47th pct
home value, US ZIPs
259
people per sq mi
70%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 70342 against every reporting US ZIP.

ZIP code 70342 covers 19.2 square miles in Berwick, St. Mary County, Louisiana (a standard USPS delivery area), with a modest 4,979 residents on file, a density of 259 people per square mile, in the Chicago time zone.

ZIP 70342 reports a modest median household income of $51,580 (14% below the Louisiana average), while per-capita income is $29,060. Local economic indicators show a 18.6% poverty rate alongside 5.1% unemployment. Housing costs here run $212,400 for a typical home value (20% above the state average), with rent averaging $493 a month; 70.2% of homes are owner-occupied.

Educational attainment sits below the national norm: 27.3% of adults hold a bachelor's degree or higher, the median age is 34.8, and the average commute is -. Beyond these figures, 3 nearby ZIP codes within about 10 miles are surfaced below, along with 5 more sharing St. Mary County, letting you compare 70342 to its immediate surroundings rather than a national baseline alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 70342

Top 5 sectors by establishment count in Berwick, LA

Which industries have the most business establishments in ZIP 70342.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 70342, Berwick, LA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

4,979

Population

19.2

Area (sq mi)

259

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 70342?

34.8

Median Age

51.2%

Male

48.8%

Female

0.5%

Foreign-Born

White 79.8%
African American 12.0%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 6.7%
Hispanic or Latino 9.6%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$51,580

Median Household Income

-14% vs state

$29,060

Per Capita Income

18.6%

Poverty Rate

5.1%

Unemployment Rate

How ZIP 70342 ranks nationally

Berwick, LA household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$51,580 16th percentile higher than 16% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). This entry sits in this band. $60,000–$80,000: 9,980 US ZIPs (33%). Above this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. 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 · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 61.0%
Bachelor's Degree or Higher 27.3%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

1,958

Total Housing Units

1,712

Occupied Units

246

Vacant Units

2.68

Avg Household Size

Occupancy Type

Owner 70.2%
Renter 29.8%

$212,400

Median Home Value

+20% vs state

$493

Median Rent

1983

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+9.0%

YoY Change (2024)

206

HPI Index (2000 = 100)

+106%

Total Change Since 2000

Home values in ZIP 70342 have increased 9.0% over the past year (2024). Since 2000, this ZIP has seen +106% cumulative appreciation.

Year Annual Change HPI Index
2020 +5.8% 173
2021 -1.2% 171
2022 +1.1% 173
2023 +9.0% 189
2024 +9.0% 206

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 75 business establishments in ZIP 70342, employing approximately 1,918 people with a combined annual payroll of $121,623,000.

75

Businesses

1,918

Employees

$121.6M

Annual Payroll

11

Industry Sectors

Industry Establishments % of Total
Retail trade 12 16.0%
Other services (except public administration) 8 10.7%
Professional, scientific, and technical services 7 9.3%
Construction 6 8.0%
Health care and social assistance 6 8.0%
Manufacturing 5 6.7%
Wholesale trade 5 6.7%
Transportation and warehousing 5 6.7%
Accommodation and food services 5 6.7%
Real estate and rental and leasing 4 5.3%
Administrative and support and waste management and remediation services 3 4.0%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 70342 vs 70392 →

ZIP 70342 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 70342 ranks #3 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 70342 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 70342 ranks #3 of 3 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
70392 Patterson, LA 8,456 5.3 mi
70380 Morgan City, LA 22,928 7.5 mi
70340 Amelia, LA 109 8.2 mi

More ZIP Codes in St. Mary County

70538 standard
Franklin, LA
Pop: 14,844
70392 standard
Patterson, LA
Pop: 8,456
70514 standard
Baldwin, LA
Pop: 2,545
70523 standard
Charenton, LA
Pop: 906
70340 standard
Amelia, LA
Pop: 109

Related Areas

St. Mary County Berwick, LA Louisiana

Frequently Asked Questions

What county is ZIP code 70342 in? ▼
ZIP code 70342 (Berwick) is located in St. Mary County, Louisiana. St. Mary County contains multiple ZIP codes, see the full list at /counties/st-mary-la.
What is the population of ZIP code 70342? ▼
ZIP code 70342 in Berwick, LA has a population of 4,979 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 70342? ▼
The median household income in ZIP 70342 is $51,580, which is 32% below the national average of $76,288.
What is the average home value in ZIP 70342? ▼
The median home value in ZIP 70342 is $212,400, which is 24% below the national average of $278,155.
What is the demographic makeup of ZIP 70342? ▼
The largest racial group in ZIP 70342 is White at 79.8%. Hispanic or Latino residents make up 9.6% of the population.
How many businesses are in ZIP code 70342? ▼
ZIP code 70342 has 75 business establishments employing approximately 1,918 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 70342? ▼
The top industries by establishment count in ZIP 70342 are: Retail trade (12), Other services (except public administration) (8), Professional, scientific, and technical services (7). There are 11 industry sectors represented in total.
How have home values changed in ZIP code 70342? ▼
According to the FHFA House Price Index, home values in ZIP 70342 increased by 9.0% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 106%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 70342? ▼
In ZIP code 70342, 61.0% of residents aged 25+ have a high school diploma or higher, and 27.3% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 70342? ▼
In ZIP code 70342, approximately 70.2% of occupied housing units are owner-occupied and 29.8% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 70342? ▼
The poverty rate in ZIP code 70342 is 18.6% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

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