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zipcodes.pro — STATE/LA/COUNTY/ST-LANDRY

St. Landry Parish, LA ZIP codes

There are 14 ZIP codes in St. Landry Parish, LA, in 13 towns, from 70512 to 71358. The largest are 70570 (Opelousas), 70512 (Arnaudville) and 70584 (Sunset). 1 more crosses into it from a neighbouring county: 71322.

The parish seat is Opelousas.

ZIP codes
14
Partly in it
1 more
Towns
13
Parish seat
Opelousas
County FIPS
22097
Population
81,670
Median household income
$44,462
Land area
923 sq mi
Area code
337
Metro area
Opelousas

St. Landry Parish ZIP codes by town

Opelousas (parish seat)
70570, 70571

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

ZIP codes partly in St. Landry Parish

This ZIP code lies mostly in a neighbouring county but covers a twentieth or more of St. Landry Parish.

Map of St. Landry Parish ZIP codes

7051270541705507055170570705717057770584705897075071345713537135671358

The ZIP codes of St. Landry Parish, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

St. Landry Parish in numbers

About 81,670 people live in St. Landry Parish, in 32,183 households, the 16th most populous of Louisiana's 64 counties. The median household income is $44,462 a year, 27% below the Louisiana median of $60,756 (US: $80,734). The median owner-occupied home is valued at $142,500 (34% below the Louisiana median), and median gross rent is $748 a month. The median age is 37.8; 14.9% of adults 25 and over hold a bachelor's degree or higher (27.0% across Louisiana); the average commute takes 30 minutes.

Population81,670St. Landry81,670
Households32,183St. Landry32,183
Median age37.8St. Landry37.8Louisiana38.0US 38.9
Median household income$44,462St. Landry$44,462Louisiana$60,756US $80,734
Median home value$142,500St. Landry$142,500Louisiana$216,500US $332,700
Median gross rent$748St. Landry$748Louisiana$1,064US $1,413
Bachelor's degree or higher14.9%St. Landry14.9%Louisiana27.0%US 35.7%
Mean commute29.8 minSt. Landry29.8 minLouisiana25.7 minUS 26.4 min
Population density88 / sq miSt. Landry88 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in St. Landry Parish

Largest towns in St. Landry Parish
TownZIP codesPopulation
Opelousas 2 15,495
Sunset 1 3,074
Port Barre 1 2,275
Leonville 1 1,395
Arnaudville 1 1,239
Lawtell 1 1,171
Grand Coteau 1 959
Krotz Springs 1 831
Melville 1 589
Washington 1 564
Morrow 1 153
Lebeau 1 126
Palmetto 1 119

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with St. Landry Parish.

Not sure you are in St. Landry Parish? What county am I in? answers from your location, near a county line included.

Every ZIP code in St. Landry Parish, with figures

ZIP codes in St. Landry Parish
ZIP City Type Population Median income Median home
70512 Arnaudville , LA Standard 10,740 $47,313 $166,700
70541 Grand Coteau , LA Standard 858 $48,264 $88,400
70550 Lawtell , LA Standard 34 — —
70551 Leonville , LA Standard 570 $44,924 —
70570 Opelousas , LA Standard 37,565 $44,612 $142,800
70571 Opelousas , LA No street area — — —
70577 Port Barre , LA Standard 3,939 $47,072 $101,600
70584 Sunset , LA Standard 7,481 $62,281 $193,800
70589 Washington , LA Standard 2,875 $49,650 $129,300
70750 Krotz Springs , LA Standard 1,117 $38,466 $96,100
71345 Lebeau , LA Standard 34 — —
71353 Melville , LA Standard 1,399 $37,405 $118,300
71356 Morrow , LA Standard 596 — —
71358 Palmetto , LA Standard 867 $44,243 —

Cite this page

zipcodes.pro. “St. Landry Parish ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/la/county/st-landry

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