Zip Code 70643 — Grand Chenier, LA
70643 is a ZIP Code associated with Grand Chenier, LA, located within Cameron. 70643 ranks #6 out of 6 ZIP codes in Cameron County by population (and #503 out of 539 in LA). The area supports an estimated population of 87 residents across Data Pending housing units, with a population density of 0.1 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (29.736490, -92.793900)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 70643 |
| Primary City | Grand Chenier |
| State / Province | LA |
| County | Cameron |
| Total Population | 87 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 0.1 people/sq mi |
| Timezone | America/Chicago |
How 70643 Compares
| Metric | ZIP 70643 | Cameron County | LA State Average |
|---|
| Population | 87 | 30,045 (Total) | 4,611,457 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 0.1 /sq mi | -- | -- |
| County Pop Rank | #6 of 6 | -- | -- |
Nearby ZIP Codes
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →