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zipcodes.pro — STATE/TX/COUNTY/GALVESTON

Galveston County, TX ZIP codes

There are 23 ZIP codes in Galveston County, TX, in 13 towns, from 77510 to 77650. The largest are 77573 (League City), 77546 (Friendswood) and 77539 (Dickinson). 1 more crosses into it from a neighbouring county: 77511.

The county seat is Galveston.

ZIP codes
23
Partly in it
1 more
Towns
13
County seat
Galveston
County FIPS
48167
State
Texas
Population
358,990
Median household income
$86,105
Land area
379 sq mi
Area codes
281, 346, 713, 832

Galveston County ZIP codes by town

Galveston (county seat)
77550, 77551, 77552, 77553, 77554, 77555

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.

ZIP codes partly in Galveston County

This ZIP code lies mostly in a neighbouring county but covers a twentieth or more of Galveston County.

Map of Galveston County ZIP codes

7751077517775187753977546775497755077551775527755377554775557756377565775687757377574775907759177592776177762377650

The ZIP codes of Galveston 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.

Galveston County in numbers

About 358,990 people live in Galveston County, in 140,660 households, the 16th most populous of Texas's 254 counties. The median household income is $86,105 a year, 10% above the Texas median of $78,476 (US: $80,734). The median owner-occupied home is valued at $314,600 (11% above the Texas median), and median gross rent is $1,404 a month. The median age is 38.8; 34.8% of adults 25 and over hold a bachelor's degree or higher (33.8% across Texas); the average commute takes 28 minutes.

Population358,990Galveston358,990
Households140,660Galveston140,660
Median age38.8Galveston38.8Texas35.6US 38.9
Median household income$86,105Galveston$86,105Texas$78,476US $80,734
Median home value$314,600Galveston$314,600Texas$283,800US $332,700
Median gross rent$1,404Galveston$1,404Texas$1,403US $1,413
Bachelor's degree or higher34.8%Galveston34.8%Texas33.8%US 35.7%
Mean commute27.9 minGalveston27.9 minTexas26.7 minUS 26.4 min
Population density946 / sq miGalveston946 / 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 Galveston County

Largest towns in Galveston County
TownZIP codesPopulation
League City 2 116,215
Texas City 3 55,364
Galveston 6 53,424
Friendswood 2 41,030
Dickinson 1 21,753
La Marque 1 19,268
Santa Fe 2 12,901
Bacliff 1 9,541
Hitchcock 1 7,563
Port Bolivar 1 2,322
Kemah 1 2,168
High Island 1 585
Gilchrist 1 44

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 Galveston County.

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

Every ZIP code in Galveston County, with figures

ZIP codes in Galveston County
ZIP City Type Population Median income Median home
77510 Santa Fe , TX Standard 14,155 $102,651 $333,100
77517 Santa Fe , TX Standard 5,529 $88,567 $314,100
77518 Bacliff , TX Standard 9,541 $51,458 $201,500
77539 Dickinson , TX Standard 49,375 $89,111 $264,800
77546 Friendswood , TX Standard 54,789 $123,756 $380,700
77549 Friendswood , TX No street area — — —
77550 Galveston , TX Standard 23,489 $45,047 $325,900
77551 Galveston , TX Standard 21,696 $58,344 $290,600
77552 Galveston , TX No street area — — —
77553 Galveston , TX No street area — — —
77554 Galveston , TX Standard 10,414 $86,490 $466,800
77555 Galveston , TX Standard 2 — —
77563 Hitchcock , TX Standard 9,955 $75,806 $220,700
77565 Kemah , TX Standard 6,943 $95,268 $419,000
77568 La Marque , TX Standard 23,083 $74,694 $230,400
77573 League City , TX Standard 98,109 $122,722 $367,500
77574 League City , TX No street area — — —
77590 Texas City , TX Standard 31,642 $65,801 $188,900
77591 Texas City , TX Standard 18,294 $68,593 $222,600
77592 Texas City , TX No street area — — —
77617 Gilchrist , TX Standard 44 $75,703 —
77623 High Island , TX Standard 585 $88,375 —
77650 Port Bolivar , TX Standard 2,322 $61,745 $351,600

Cite this page

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

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