County ProfileLA
St. Landry County
Population: 82,540 · 15 ZIP codes
Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
82,540
People
Median age
37.8
Housing
Total households
32,183
Income
Median household income
$44,462
Housing
Total housing units
37,229
Employment
Employment rate
49.3%
Education
Bachelor’s degree or higher
14.9%
Healthcare
Insured population
92.8%
County details
Local time 01:20:52(CT)| Name | St. Landry |
|---|---|
| Total ZIP codes | 15total |
| ZIP codes (by type) | 10 Standard5 PO Box |
| Area code | 318, 337 |
| Timezone | Central Time (CT) |
| Coordinates | 30.5834409, -91.9892745 |
| Land area | 923.4 sq miles(2,391.5 km²) |
Map of St. Landry county, Louisiana with ZIP codes
Cities and Communities in St. Landry County
Compare the largest cities in St. Landry County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.
| City | Population | Median incomeHousehold | ZIP codes |
|---|---|---|---|
| Opelousas | 15,786 | $32,964 | 2ZIPs |
| Eunice | 9,422 | $35,436 | 1ZIPs |
| Sunset | 2,909 | $60,964 | 1ZIPs |
| Port Barre | 1,751 | $41,278 | 1ZIPs |
| Lawtell | 1,066 | — | 1ZIPs |
| Arnaudville | 1,009 | $16,111 | 1ZIPs |
| Krotz Springs | 904 | — | 1ZIPs |
| Leonville | 868 | $43,015 | 1ZIPs |
| Grand Coteau | 776 | $34,730 | 1ZIPs |
| Melville | 759 | $35,500 | 1ZIPs |
| Washington | 742 | $41,563 | 1ZIPs |
| Morrow | 149 | $35,038 | 1ZIPs |
| Palmetto | 92 | — | 1ZIPs |
| Lebeau | 74 | $15,313 | 1ZIPs |
— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.
ZIP Codes in St. Landry County
Review the most populated postal areas across St. Landry County. Use the ranking below to compare resident density and demographic scales between the county's major zones.
| ZIP | City | Median incomeHousehold | Population (ZIP) |
|---|---|---|---|
| 70570 | Opelousas | $44,612 | 38,746 |
| 70535 | Eunice | $44,381 | 17,292 |
| 70512 | Arnaudville | $47,313 | 10,146 |
| 70584 | Sunset | $62,281 | 7,471 |
| 70577 | Port Barre | $47,072 | 4,424 |
| 70589 | Washington | $49,650 | 3,464 |
| 71353 | Melville | $37,405 | 1,500 |
| 70750 | Krotz Springs | $38,466 | 1,321 |
| 71358 | Palmetto | $44,243 | 967 |
| 70541 | Grand Coteau | $48,264 | 733 |
| 71356 | Morrow | — | 345 |
| 70551 | Leonville | $44,924 | 336 |
| 70550 | Lawtell | — | 222 |
| 71345 | Lebeau | — | 74 |
| 70571 | Opelousas | — | — |
Data Sources & Citations
The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:
- United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
- United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS