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 — STATE/TX/COUNTY/JEFFERSON

Jefferson County, TX ZIP codes

There are 24 ZIP codes in Jefferson County, TX, in 9 towns, from 77613 to 77726. The largest are 77642 (Port Arthur), 77706 (Beaumont) and 77627 (Nederland).

The county seat is Beaumont.

ZIP codes
24
Towns
9
County seat
Beaumont
County FIPS
48245
State
Texas
Population
253,878
Median household income
$60,026
Land area
877 sq mi
Area codes
409, 806

Jefferson County ZIP codes by town

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.

Map of Jefferson County ZIP codes

The ZIP codes of Jefferson County, 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.

Jefferson County in numbers

About 253,878 people live in Jefferson County, in 94,807 households, the 22nd most populous of Texas's 254 counties. The median household income is $60,026 a year, 24% below the Texas median of $78,476 (US: $80,734). The median owner-occupied home is valued at $169,500 (40% below the Texas median), and median gross rent is $1,117 a month. The median age is 37.0; 19.7% of adults 25 and over hold a bachelor's degree or higher (33.8% across Texas); the average commute takes 21 minutes.

Population253,878Jefferson253,878
Households94,807Jefferson94,807
Median age37.0Jefferson37.0Texas35.6US 38.9
Median household income$60,026Jefferson$60,026Texas$78,476US $80,734
Median home value$169,500Jefferson$169,500Texas$283,800US $332,700
Median gross rent$1,117Jefferson$1,117Texas$1,403US $1,413
Bachelor's degree or higher19.7%Jefferson19.7%Texas33.8%US 35.7%
Mean commute21.2 minJefferson21.2 minTexas26.7 minUS 26.4 min
Population density290 / sq miJefferson290 / 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 Jefferson County

Largest towns in Jefferson County
TownZIP codesPopulation
Beaumont 13 113,279
Port Arthur 4 55,828
Nederland 1 18,381
Groves 1 16,976
Port Neches 1 13,664
Hamshire 1 1,388
China 1 963
Sabine Pass 1 330
Nome 1 253

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 Jefferson County.

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

Every ZIP code in Jefferson County, with figures

ZIP codes in Jefferson County
ZIP City Type Population Median income Median home
77613 China , TX Standard 692 $72,667 $190,100
77619 Groves , TX Standard 16,976 $73,710 $163,600
77622 Hamshire , TX Standard 1,818 $100,556 $208,000
77627 Nederland , TX Standard 22,357 $78,001 $208,700
77629 Nome , TX Standard 435 $62,692 $176,300
77640 Port Arthur , TX Standard 17,167 $50,973 $109,600
77641 Port Arthur , TX No street area — — —
77642 Port Arthur , TX Standard 38,358 $42,950 $104,700
77643 Port Arthur , TX No street area — — —
77651 Port Neches , TX Standard 13,664 $81,637 $253,200
77655 Sabine Pass , TX Standard 330 $73,750 $147,000
77701 Beaumont , TX Standard 12,381 $49,181 $84,000
77702 Beaumont , TX Standard 3,121 $62,125 $137,000
77703 Beaumont , TX Standard 11,004 $31,803 $87,600
77704 Beaumont , TX No street area — — —
77705 Beaumont , TX Standard 38,259 $54,633 $135,900
77706 Beaumont , TX Standard 30,393 $73,185 $244,800
77707 Beaumont , TX Standard 18,323 $69,756 $174,000
77708 Beaumont , TX Standard 12,065 $56,586 $158,500
77710 Beaumont , TX No street area — — —
77713 Beaumont , TX Standard 15,541 $91,330 $226,500
77720 Beaumont , TX No street area — — —
77725 Beaumont , TX No street area — — —
77726 Beaumont , TX No street area — — —

Cite this page

zipcodes.pro. “Jefferson County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/tx/county/jefferson

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