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/HARRISON

Harrison County, TX ZIP codes

There are 12 ZIP codes in Harrison County, TX, in 10 towns, from 75602 to 75694. The largest are 75602 (Longview), 75672 (Marshall) and 75670 (Marshall).

The county seat is Marshall.

ZIP codes
12
Towns
10
County seat
Marshall
County FIPS
48203
State
Texas
Population
70,155
Median household income
$66,103
Land area
900 sq mi
Area codes
430, 903
Metro area
Longview

Harrison County ZIP codes by town

Marshall (county seat)
75670, 75671, 75672

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 Harrison County ZIP codes

756027564075650756517565975661756707567175672756887569275694

The ZIP codes of Harrison 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.

Harrison County in numbers

About 70,155 people live in Harrison County, in 26,287 households, the 53rd most populous of Texas's 254 counties. The median household income is $66,103 a year, 16% below the Texas median of $78,476 (US: $80,734). The median owner-occupied home is valued at $180,400 (36% below the Texas median), and median gross rent is $974 a month. The median age is 38.8; 22.7% of adults 25 and over hold a bachelor's degree or higher (33.8% across Texas); the average commute takes 22 minutes.

Population70,155Harrison70,155
Households26,287Harrison26,287
Median age38.8Harrison38.8Texas35.6US 38.9
Median household income$66,103Harrison$66,103Texas$78,476US $80,734
Median home value$180,400Harrison$180,400Texas$283,800US $332,700
Median gross rent$974Harrison$974Texas$1,403US $1,413
Bachelor's degree or higher22.7%Harrison22.7%Texas33.8%US 35.7%
Mean commute22.1 minHarrison22.1 minTexas26.7 minUS 26.4 min
Population density78 / sq miHarrison78 / 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 Harrison County

Largest towns in Harrison County
TownZIP codesPopulation
Longview 1 82,923
Marshall 3 23,825
Diana 1 6,142
Hallsville 1 4,628
Karnack 1 2,360
Waskom 1 2,084
Harleton 1 1,871
Scottsville 1 297
Jonesville 1 37

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 Harrison County.

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

Every ZIP code in Harrison County, with figures

ZIP codes in Harrison County
ZIP City Type Population Median income Median home
75602 Longview , TX Standard 20,671 $52,330 $139,700
75640 Diana , TX Standard 6,142 $80,967 $272,600
75650 Hallsville , TX Standard 10,703 $97,596 $197,200
75651 Harleton , TX Standard 1,871 $43,514 $162,800
75659 Jonesville , TX Standard 37 — —
75661 Karnack , TX Standard 2,360 $41,929 $158,500
75670 Marshall , TX Standard 18,670 $42,386 $112,300
75671 Marshall , TX Standard 0 — —
75672 Marshall , TX Standard 16,509 $70,610 $172,400
75688 Scottsville , TX No street area — — —
75692 Waskom , TX Standard 5,563 $63,904 $152,300
75694 Woodlawn , TX Standard 0 — —

Cite this page

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

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