Leonville is a town in St. Landry Parish, Louisiana, home to about 1,395 people across 2.7 square miles. Its ZIP code is 70551, and parts of 70512 and 70570 are in Leonville too.
All in Leonville
Part is in Leonville, part in Arnaudville and Cecilia
Mostly Opelousas; part is in Leonville
Each card is that ZIP code’s whole market, including any part outside Leonville. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | Louis Armstrong New Orleans International Airport (MSY)109 miles away |
|---|---|
| Closer regional airport | Lafayette Regional Airport (LFT)18 miles away |
| Nearest city of 250,000+ | New Orleans, LA127 miles away |
| Nearest city of 1 million+ | Houston, TX208 miles away |
Straight-line distances from the center of Leonville; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Leonville had 868 residents in the 2020 census, down 14% since 2000.
It’s the 237th largest of 487 towns in Louisiana by population.
St. Landry Parish grew from 52,906 residents in 1900 to 82,540 in 2020.
St. Landry Parish, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 92°F in summer, and winter lows average 41°F. About 61.6 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Grand Coteau, LA weather station (4 miles away).
21,089 jobs at 1,559 businesses in St. Landry Parish. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
Nearest hospitals
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances.
Grocery stores
Libraries
Counts are within about 1.5 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by St. Landry Parish. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Leonville Elementary SchoolLeonville | Pre-K–8 | 616 | Public | 1.6 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Opelousas, Arnaudville, Lawtell and Cecilia.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.