Berwick, LA · standard
ZIP Code 70342
St. Mary Parish, Louisiana - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 4,979
- 259/sq mi High-density area
- $51,580
- Median income Below-median income area
- $212,400
- Median home value Near-median home value
- 27.3%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
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.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 70342 (Berwick, LA) rose +9.0% from 2023 to 2024. The all-transactions index moved from 188.9 in 2023 to 206.0 in 2024 (2000 = 100).
ZIP code 70342 covers 19.2 square miles in Berwick, St. Mary Parish, 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 average Louisiana ZIP), while per-capita income is $29,060. The poverty rate is 18.6%, with unemployment at 5.1%; those measures add context to the income figure. Housing is both higher-cost and owner-heavy: median home value is $212,400 (20% above the average Louisiana ZIP), while 70.2% of occupied homes are owner-occupied and median rent is $493.
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 -. The page also surfaces 3 ZIP codes within roughly 10 miles and 5 more in St. Mary Parish, so 70342 can be compared with both its immediate and county-level context.
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.
- Retail trade
Retail trade
12 establishments
- Other services (except public administration)
Other services (except public administration)
8 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
7 establishments
- Construction
Construction
6 establishments
- Health care and social assistance
Health care and social assistance
6 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, 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
Who lives in ZIP 70342?
34.8
Median Age
51.2%
Male
48.8%
Female
0.5%
Foreign-Born
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 ZIP avg
$29,060
Per Capita Income
18.6%
Poverty Rate
5.1%
Unemployment Rate
How ZIP 70342 ranks among Louisiana ZIPs
Berwick, LA household income vs. every Louisiana ZIP code
Median household income among 457 reporting Louisiana ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$51,580 41st percentile higher than 41% of 457 Louisiana ZIPs
Each bar is a $20K-wide band; taller bars hold more Louisiana 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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
1,958housing units
1,958
Total Housing Units
1,712
Occupied Units
246
Vacant Units
2.68
Avg Household Size
Occupancy Type
$212,400
Median Home Value
+20% vs state ZIP avg
$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.
- 70380
Morgan City (70380)
22,928 residents
- 70392 8,456
Patterson (70392)
8,456 residents
- 70342 4,979
Berwick (70342)
4,979 residents
- 70340 109
Amelia (70340)
109 residents
What this shows Among its immediate neighbors, ZIP 70342 ranks #3 by population - useful context the national average alone can't give.
ZIP 70342 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 70392
Patterson (70392)
$57,959 median income
- 70380
Morgan City (70380)
$54,595 median income
- 70342
Berwick (70342)
$51,580 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.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 70342, both outside LA so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (4,979 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in St. Mary Parish
Related Areas
Frequently Asked Questions
What parish is ZIP code 70342 in?
ZIP code 70342 (Berwick) is located in St. Mary Parish, Louisiana. St. Mary Parish 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.
Related
Take this with you
What to do with ZIP 70342's numbers, next.
- See how ZIP 70342 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Berwick, LA ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.