| County : | St. Landry Parish |
| State : | Louisiana (LA) |
| Land Area : | 923.87 sq mi |
| Water Area : | 15.10 sq mi |
| Latitude : | 30.5834409 |
| Longitude : | -91.9892745 |
| Population (2010): | 83,384 |
| Population Estimate (2012) : | 83,774 |
| Population Density : | 90.25/sq mi |
| Housing Units (2012) : | 35,692 |
| Median Household Income (2012) : | $36,183 (Louisiana : $44,673, USA : $53,046) |
| Median Family Income (2012) : | $46,379 (Louisiana : $56,047, USA : $64,585) |
| Median House Price (2012) : | $85,100 (Louisiana : $137,700, USA : $181,400) |
St. Landry Parish Cities / Towns
| Arnaudville Town (1,057) | Cankton Village (484) | Eunice City (10,398) |
| Grand Coteau Town (947) | Krotz Springs Town (1,198) | Lawtell (1,198) |
| Leonville Town (1,084) | Melville Town (1,041) | Opelousas City (16,634) |
| Palmetto Village (164) | Port Barre Town (2,055) | Sunset Town (2,897) |
| Washington Town (964) |
St. Landry Parish Zip Codes
| 70512 (9,780) | 70520 (18,405) | 70525 (13,150) |
| 70535 (18,215) | 70541 (432) | 70550 (174) |
| 70570 (38,987) | 70577 (4,645) | 70584 (7,358) |
| 70586 (20,313) | 70589 (3,283) | 70750 (1,951) |
| 71322 (6,969) | 71345 (69) | 71353 (1,664) |
| 71356 (648) | 71358 (1,111) | 71362 (2,169) |