St. Landry Parish, Louisiana

St. Landry Parish
Parish of St. Landry
Paroisse de Saint-Landry (French)
Location within the U.S. state of Louisiana
Coordinates: 30°36′N 92°00′W / 30.6°N 92°W / 30.6; -92
Country United States
State Louisiana
Founded1807
Named afterSt. Landry Catholic Church
SeatOpelousas
Largest cityOpelousas
Area
 • Total
939 sq mi (2,430 km2)
 • Land924 sq mi (2,390 km2)
 • Water15 sq mi (39 km2)  1.6%
Population
 (2020)
 • Total
82,540
 • Estimate 
(2024)
80,869
 • Density89.3/sq mi (34.5/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional districts3rd, 4th, 5th
Websitestlandrypg.org

St. Landry Parish (French: Paroisse de Saint-Landry) is a parish located in the U.S. state of Louisiana. As of the 2020 Census, the population was 82,540. The parish seat is Opelousas. The parish was established in 1807.

St. Landry Parish comprises the Opelousas, LA Micropolitan Statistical Area (μSA), which is also included in the Lafayette-Opelousas-Morgan City, LA Combined Statistical Area. It is at the heart of Creole and Cajun culture and heritage in Louisiana.