Bayou Gauche is a community in St. Charles Parish, Louisiana, home to about 1,908 people across 13 square miles. It has no ZIP code of its own: it’s part of 70030 and 70080.
Homes sold for a median of $105 per square foot across 2 ZIP codes in the three months ending August 2026, and 1 of 2 were seller’s markets.
Mostly Des Allemands; part is in Bayou Gauche
Mostly Paradis; part is in Bayou Gauche
Each card is that ZIP code’s whole market, including any part outside Bayou Gauche. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Bayou Gauche’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Bayou Gauche well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Louis Armstrong New Orleans International Airport (MSY)16 miles away |
|---|---|
| Nearest city of 250,000+ | New Orleans, LA34 miles away |
| Nearest city of 1 million+ | Houston, TX297 miles away |
Straight-line distances from the center of Bayou Gauche; 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.
Bayou Gauche had 2,161 residents in the 2020 census, up 22% since 2000.
It’s the 201st largest of 487 towns in Louisiana by population.
St. Charles Parish grew from 9,072 residents in 1900 to 52,549 in 2020.
St. Charles 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 46°F. About 63.3 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, New Orleans Intl Ap, LA weather station (17 miles away).
20,789 jobs at 1,032 businesses in St. Charles Parish. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
2 doctors and other health care providers list an office in Bayou Gauche’s ZIP codes.
Nearest hospitals
Providers with an office here
| Nurse practitioners and physician assistants | 1 |
|---|---|
| Mental health providers | 1 |
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 (3 nearby)
Grocery stores (1 nearby)
Libraries
Counts are within about 2.5 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. Charles Parish. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Allemands Elementary SchoolDes Allemands | Pre-K–2 | 241 | Public | 1.4 mi |
| R.J. Vial Elementary SchoolParadis | 3–5 | 228 | Public | 4.3 mi |
| J.B. Martin Middle SchoolParadis | 6–8 | 733 | Public | 4.2 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Des Allemands, Paradis and Boutte.
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.