Berwick is a town in St. Mary Parish, Louisiana, home to about 4,607 people across 5.9 square miles. Its ZIP code is 70342.
Homes sold for a median of $154 per square foot in the three months ending August 2026, a seller’s market.
Each card is that ZIP code’s whole market, including any part outside Berwick. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Berwick’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Louis Armstrong New Orleans International Airport (MSY)63 miles away |
|---|---|
| Closer regional airport | Lafayette Regional Airport (LFT)56 miles away |
| Nearest city of 250,000+ | New Orleans, LA83 miles away |
| Nearest city of 1 million+ | Houston, TX248 miles away |
Straight-line distances from the center of Berwick; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Berwick had 4,771 residents in the 2020 census, up 8% since 2000.
It’s the 112th largest of 487 towns in Louisiana by population.
St. Mary Parish grew from 34,145 residents in 1900 to 49,406 in 2020.
St. Mary Parish, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 91°F in summer, and winter lows average 45°F. About 58.6 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Morgan City, LA weather station (5 miles away).
18,400 jobs at 1,083 businesses in St. Mary Parish. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
4 doctors and other health care providers list an office in Berwick.
Nearest hospitals
Providers with an office here
| Specialist doctors | 1 |
|---|---|
| Dentists | 1 |
| Nurse practitioners and physician assistants | 1 |
| Physical and occupational therapists | 1 |
| Pharmacies | 2 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (2 nearby)
Grocery stores (1 nearby)
Pharmacies
Libraries
Museums
Counts are within about 2 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by St. Mary Parish. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Berwick Elementary SchoolBerwick | Pre-K–5 | 420 | Public | 1.9 mi |
| Berwick High SchoolBerwick | 9–12 | 469 | Public | 1.6 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| St Stephen Early Learning CenterBerwick | Pre-K–K | 10 | Roman Catholic | 2.0 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.