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/TX/SEBASTIAN

Sebastian ZIP code, Texas

The ZIP code for Sebastian, TX is 78594, and its area code is 956.

USPS city name
1 ZIP code
Population
1,021
Area code
956
State
Texas

NANPA lists no telephone rate centre for Sebastian itself, so these are the area codes of the nearest one, Lyford (4.3 miles). A town on an area-code boundary can differ from its neighbour.

Sebastian in numbers

About 1,021 people live in Sebastian, in 463 households. The median household income is $22,786 a year, 71% below the Texas median of $78,476 (US: $80,734). The median owner-occupied home is valued at $35,900 (87% below the Texas median), and median gross rent is $326 a month. The median age is 42.1; 1.7% of adults 25 and over hold a bachelor's degree or higher (33.8% across Texas); the average commute takes 24 minutes.

Population1,021Sebastian1,021
Households463Sebastian463
Median age42.1Sebastian42.1Texas35.6US 38.9
Median household income$22,786Sebastian$22,786Texas$78,476US $80,734
Median home value$35,900Sebastian$35,900Texas$283,800US $332,700
Median gross rent$326Sebastian$326Texas$1,403US $1,413
Bachelor's degree or higher1.7%Sebastian1.7%Texas33.8%US 35.7%
Mean commute24.2 minSebastian24.2 minTexas26.7 minUS 26.4 min
Population density612 / sq miSebastian612 / sq mi

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

ZIP codes addressed as Sebastian

ZIP codes with the USPS city name Sebastian
ZIP City Type Population Median income Median home
78594 Sebastian , TX Standard 1,206 $23,307 $38,300

Map of Sebastian ZIP codes

78594

The ZIP codes of Sebastian, TX, 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 Sebastian

The nearest larger towns are Lyford (2,054 people, 4.8 mi), Santa Rosa (3,215 people, 6.4 mi) and Combes (3,178 people, 8.1 mi).

Towns near Sebastian
TownPopulationDistance
Santa Rosa 3,215 6.4 mi
Combes 3,178 8.1 mi
La Villa 3,005 8.8 mi
Primera 5,344 8.9 mi
Raymondville 10,185 9.1 mi
Edcouch 2,739 10.9 mi
Indian Hills 2,961 12.0 mi
Harlingen 72,087 12.3 mi
Elsa 5,697 12.6 mi
Mila Doce 7,731 13.2 mi
La Feria 6,891 13.2 mi
Olivarez 6,326 14.6 mi
La Blanca 2,998 14.7 mi
Mercedes 16,733 15.1 mi

More nearby: every ZIP code in Willacy County · Texas ZIP codes

Cite this page

zipcodes.pro. “Sebastian, TX ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/tx/sebastian

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