Zip Code 70541 — Grand Coteau, LA
70541 is a ZIP Code associated with Grand Coteau, LA, located within St. Landry. 70541 ranks #9 out of 13 ZIP codes in St. Landry County by population (and #405 out of 539 in LA). The area supports an estimated population of 858 residents across Data Pending housing units, with a population density of 161.3 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (30.420620, -92.042600)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 70541 |
| Primary City | Grand Coteau |
| State / Province | LA |
| County | St. Landry |
| Total Population | 858 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 161.3 people/sq mi |
| Timezone | America/Chicago |
How 70541 Compares
| Metric | ZIP 70541 | St. Landry County | LA State Average |
|---|
| Population | 858 | 68,075 (Total) | 4,611,457 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 161.3 /sq mi | -- | -- |
| County Pop Rank | #9 of 13 | -- | -- |
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 →