St. Martin Parish, Louisiana ZIP codes
4 ZIP codes are in St. Martin Parish, plus 5 that cross in from neighboring parishes. It's part of the Lafayette, LA metro area.
- ZIP codes
- 4
- Population in these ZIPs
- 45,304
- Avg. median income
- $56,100population-weighted
- Cities & towns
- 4
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in St. Martin Parish
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 70517 | Breaux Bridge | 26,024 | $60,778 | $176,100 |
| 70519 | Cade | 71 | — | — |
| 70521 PO Box | Cecilia | — | — | — |
| 70582 | Saint Martinville | 19,209 | $49,837 | $151,300 |
ZIP codes partly in St. Martin Parish
These ZIP codes are mostly in a neighboring parish but cover part of St. Martin Parish.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 70339 | Pierre Part | Assumption Parish | 4,848 | $51,659 | $208,400 |
| 70380 | Morgan City | Assumption Parish | 20,529 | $54,595 | $135,300 |
| 70512 | Arnaudville | St. Landry Parish | 10,740 | $47,313 | $169,300 |
| 70518 | Broussard | Lafayette Parish | 17,263 | $106,710 | $282,200 |
| 70560 | New Iberia | Iberia Parish | 36,996 | $45,509 | $118,800 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in St. Martin Parish
Nearby parishes
Frequently asked questions
How many ZIP codes are in St. Martin Parish, Louisiana?
4 ZIP codes are mainly in St. Martin Parish, and 5 more ZIP codes from neighboring areas reach partly into it.
What cities are in St. Martin Parish?
ZIP codes in St. Martin Parish use the city names Breaux Bridge, Cade, Cecilia and Saint Martinville.
What metro area is St. Martin Parish in?
St. Martin Parish is part of the Lafayette, LA metropolitan statistical area.