Jefferson is a community in Jefferson Parish, Louisiana, home to about 9,703 people across 2.7 square miles. Its ZIP code is 70121.
Homes sold for a median of $175 per square foot in the three months ending August 2026, a balanced market.
Mostly Jefferson; also Elmwood
Each card is that ZIP code’s whole market, including any part outside Jefferson. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Jefferson’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)7 miles away |
|---|---|
| Nearest city of 250,000+ | New Orleans, LA15 miles away |
| Nearest city of 1 million+ | Houston, TX313 miles away |
Straight-line distances from the center of Jefferson; 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.
Jefferson had 10,633 residents in the 2020 census, down 10% since 2000.
It’s the 58th largest of 487 towns in Louisiana by population.
Jefferson Parish grew from 15,321 residents in 1900 to 440,781 in 2020.
Jefferson Parish, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 94°F in summer, and winter lows average 47°F. About 64.7 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, New Orleans Audubon, LA weather station (3 miles away).
177,065 jobs at 11,728 businesses in Jefferson Parish. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
1,788 doctors and other health care providers list an office in Jefferson.
Nearest hospitals
Providers with an office here
| Primary care doctors | 238 |
|---|---|
| Specialist doctors | 897 |
| Dentists | 5 |
| Nurse practitioners and physician assistants | 462 |
| Mental health providers | 118 |
| Physical and occupational therapists | 51 |
| Optometrists | 17 |
| Pharmacies | 14 |
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.
Parks (2 nearby)
Grocery stores (3 nearby)
Pharmacies (1 nearby)
Libraries
Museums
Theaters and performance venues
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 Jefferson Parish, JCFA-East. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Dr. John Ochsner Discovery Health Sciences AcademyJefferson | Pre-K–8 | 731 | Charter | 0.4 mi |
| Jefferson SchoolJefferson | Pre-K–8 | 619 | Public | 0.5 mi |
| JCFA-EastJefferson | 9–12 | 154 | Charter, Alternative Education | 0.2 mi |
| Jefferson Virtual High SchoolJefferson | 9–12 | 67 | Public | 0.9 mi |
| Riverdale High SchoolJefferson | 9–12 | 1,259 | Public | 0.5 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 Elmwood.
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.