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/HAMILTON

Hamilton County, TX ZIP codes

Hamilton County, TX has 5 ZIP codes, in 5 towns: 76531, 76457, 76525, 76538 and 76565.

The county seat is Hamilton.

ZIP codes
5
Towns
5
County seat
Hamilton
County FIPS
48193
State
Texas
Population
8,406
Median household income
$58,219
Land area
836 sq mi

Hamilton County ZIP codes by town

Hamilton (county seat)
76531

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 Hamilton County ZIP codes

7645776525765317653876565

The ZIP codes of Hamilton 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.

Hamilton County in numbers

About 8,406 people live in Hamilton County, in 3,120 households, the 175th most populous of Texas's 254 counties. The median household income is $58,219 a year, 26% below the Texas median of $78,476 (US: $80,734). The median owner-occupied home is valued at $147,700 (48% below the Texas median), and median gross rent is $885 a month. The median age is 43.5; 26.8% of adults 25 and over hold a bachelor's degree or higher (33.8% across Texas); the average commute takes 18 minutes.

Population8,406Hamilton8,406
Households3,120Hamilton3,120
Median age43.5Hamilton43.5Texas35.6US 38.9
Median household income$58,219Hamilton$58,219Texas$78,476US $80,734
Median home value$147,700Hamilton$147,700Texas$283,800US $332,700
Median gross rent$885Hamilton$885Texas$1,403US $1,413
Bachelor's degree or higher26.8%Hamilton26.8%Texas33.8%US 35.7%
Mean commute18.0 minHamilton18.0 minTexas26.7 minUS 26.4 min
Population density10 / sq miHamilton10 / 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 Hamilton County

Largest towns in Hamilton County
TownZIP codesPopulation
Hamilton 1 2,934
Hico 1 1,771
Jonesboro 1 882
Evant 1 535

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 Hamilton County.

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

Every ZIP code in Hamilton County, with figures

ZIP codes in Hamilton County
ZIP City Type Population Median income Median home
76457 Hico , TX Standard 4,244 $72,238 $264,100
76525 Evant , TX Standard 1,289 $80,208 $169,800
76531 Hamilton , TX Standard 4,703 $49,100 $126,300
76538 Jonesboro , TX Standard 882 $63,750 $122,500
76565 Pottsville , TX Standard 0 — —

Cite this page

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

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