Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/LA/JEFFERSON

Jefferson ZIP codes, Louisiana

No ZIP code is named for Jefferson, LA; addresses there use a neighbouring town's name. 2 ZIP codes cover it: 70123 and 70121. Its area code is 504.

USPS city name
0 ZIP codes
Overlapping the city
2 more
Population
9,703
Area code
504

NANPA lists no telephone rate centre for Jefferson itself, so these are the area codes of the nearest one, New Orleans (0.0 miles). A town on an area-code boundary can differ from its neighbour.

Jefferson in numbers

About 9,703 people live in Jefferson, in 5,124 households. The median household income is $57,235 a year, 6% below the Louisiana median of $60,756 (US: $80,734). The median owner-occupied home is valued at $247,700 (14% above the Louisiana median), and median gross rent is $1,097 a month. The median age is 45.4; 35.7% of adults 25 and over hold a bachelor's degree or higher (27.0% across Louisiana); the average commute takes 20 minutes.

Population9,703Jefferson9,703
Households5,124Jefferson5,124
Median age45.4Jefferson45.4Louisiana38.0US 38.9
Median household income$57,235Jefferson$57,235Louisiana$60,756US $80,734
Median home value$247,700Jefferson$247,700Louisiana$216,500US $332,700
Median gross rent$1,097Jefferson$1,097Louisiana$1,064US $1,413
Bachelor's degree or higher35.7%Jefferson35.7%Louisiana27.0%US 35.7%
Mean commute20.0 minJefferson20.0 minLouisiana25.7 minUS 26.4 min
Population density3,584 / sq miJefferson3,584 / sq mi

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

ZIP codes covering Jefferson

These ZIP codes cover part of Jefferson but are addressed as somewhere else.

ZIP codes overlapping Jefferson
ZIP City Type Population Median income Median home
70121 New Orleans , LA Standard 10,558 $59,562 $247,900
70123 New Orleans , LA Standard 27,386 $83,585 $348,100

Map of Jefferson ZIP codes

The ZIP codes of Jefferson, LA, 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.

Towns near Jefferson

The nearest larger towns are Metairie (139,729 people, 2.9 mi), River Ridge (13,312 people, 4.0 mi) and Waggaman (11,330 people, 4.8 mi).

Towns near Jefferson
TownPopulationDistance
Bridge City 7,297 1.4 mi
Elmwood 6,077 1.9 mi
Metairie 139,729 2.9 mi
Harahan 8,904 3.3 mi
Westwego 8,335 3.9 mi
River Ridge 13,312 4.0 mi
Waggaman 11,330 4.8 mi
Avondale 4,608 4.8 mi
Marrero 32,540 5.8 mi
Kenner 64,904 6.8 mi
Gretna 17,389 7.1 mi
Harvey 20,915 7.3 mi
Terrytown 24,726 8.6 mi
Estelle 16,341 9.0 mi

More nearby: every ZIP code in Jefferson Parish · Louisiana ZIP codes

Cite this page

zipcodes.pro. “Jefferson, LA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/la/jefferson

Underlying data is public domain or openly licensed — sources, vintages and licences.