There are 13 zip codes in St. Landry Parish, Louisiana. The most populated is 70570, located in Opelousas. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
City
Population
70570Opelousas38,498
70512Arnaudville10,140
70584Sunset6,965
70577Port Barre3,988
70589Washington3,208
71353Melville1,668
70750Krotz Springs1,398
71358Palmetto953
70541Grand Coteau767
70551Leonville728
71356Morrow539
70550Lawtell38
71345Lebeau0

St. Landry Parish, Louisiana Zip Codes by Population (2024)