Napoleonville is a village in Assumption Parish, Louisiana, home to about 511 people across 0.2 square miles. It has no ZIP code of its own: it’s part of 70390.
Homes sold for a median of $138 per square foot in the three months ending August 2026, a seller’s market.
Part is in Napoleonville, part in Supreme and Paincourtville
Each card is that ZIP code’s whole market, including any part outside Napoleonville. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Napoleonville’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Louis Armstrong New Orleans International Airport (MSY)46 miles away |
|---|---|
| Nearest city of 250,000+ | New Orleans, LA66 miles away |
| Nearest city of 1 million+ | Houston, TX261 miles away |
Straight-line distances from the center of Napoleonville; 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.
Napoleonville had 540 residents in the 2020 census, down 21% since 2000.
It’s the 356th largest of 487 towns in Louisiana by population.
Assumption Parish grew from 21,620 residents in 1900 to 21,039 in 2020.
Assumption Parish, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 91°F in summer, and winter lows average 42°F. About 63.5 inches of rain and melted snow fall in a typical year, with about 0 inches of snow.
Source: NOAA 1991–2020 climate normals, Donaldsonville 4 Sw, LA weather station (10 miles away).
2,459 jobs at 249 businesses in Assumption Parish. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
15 doctors and other health care providers list an office in Napoleonville.
Nearest hospitals
Providers with an office here
| Primary care doctors | 3 |
|---|---|
| Specialist doctors | 1 |
| Dentists | 1 |
| Nurse practitioners and physician assistants | 5 |
| Mental health providers | 3 |
| Physical and occupational therapists | 2 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Public schools here are run by Assumption Parish. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Napoleonville Primary SchoolNapoleonville | Pre-K–4 | 369 | Public | 0.7 mi |
| Napoleonville Middle SchoolNapoleonville | 5–8 | 281 | Public | 1.0 mi |
| Assumption High SchoolNapoleonville | 9–12 | 742 | Public | 1.2 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 Supreme and Paincourtville.
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.