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 — ZIP/77591

77591

ZIP 77591 is in Texas City, Texas, in Galveston County; Central time. Texas City has 3 ZIP codes; the others are 77590 and 77592.

Type
Standard
Time zone
America/Chicago
County
Galveston
Population
18,294
Coordinates
29.3994, -94.9991
☼ Live from 77591 — Texas City, TX

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 77591 is

Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.

★ Weird and wonderful facts about 77591
  • 🔢 Type 77591 into a pocket calculator and turn it upside down: IGSLL — not quite a word, sorry.
  • ➕ 77591 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 29, a total 1,296 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10010111100010111
  • 🏠 Its numerical neighbours: 77590 (Texas City, TX, 5 mi away) and 77592 (Texas City, TX, 13 mi away).
  • 🔄 Backwards, 77591 becomes 19577, which is not a ZIP code at all.
  • 👥 17 other ZIP codes are made of exactly the same digits (15779, 17579, 17957, 57197, 57719, 57791, …). The farthest-flung twin is 97751 in Paulina, OR, 1,697 miles away.
  • 🧭 Farther south than 95% of all ZIP codes, and farther west than 68%.
  • 🎯749 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 77591 and you would come out at 29.40°S, 85.00°E — 1,413 miles from West Island, Cocos Islands, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 02m of daylight. Shortest: 10h 15m.
  • 📏 At 10.3 square miles of land, 77591 is bigger than 28% of ZIP codes — room for about 7.8 Central Parks.
🌙 The sky over 77591 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population18,294This ZIP18,294
Households6,985This ZIP6,985
Housing units7,645This ZIP7,645
Median age32.6This ZIP32.6Texas35.6US 38.9
Median household income$68,593This ZIP$68,593Texas$78,476US $80,734
Median home value$222,600This ZIP$222,600Texas$283,800US $332,700
Median gross rent$1,332This ZIP$1,332Texas$1,403US $1,413
Bachelor's degree or higher23.8%This ZIP23.8%
Mean commute27.1 minThis ZIP27.1 min
Population density1,772.5 / sq miThis ZIP1,772.5 / sq mi

Business and tax activity

Business establishments243This ZIP243
Employees3,887This ZIP3,887
Annual payroll$175,651,000This ZIP$175,651,000
Tax returns filed8,200This ZIP8,200
Total adjusted gross income$429,729,000This ZIP$429,729,000

Land area

Land area10.32 sq miThis ZIP10.32 sq mi
Water area0.27 sq miThis ZIP0.27 sq mi

Other place names in 77591

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 77591

ZIPCityDistance
77568 La Marque, TX 2.4 mi
77539 Dickinson, TX 4.1 mi
77590 Texas City, TX 5.2 mi
77510 Santa Fe, TX 6.6 mi
77563 Hitchcock, TX 6.9 mi
77518 Bacliff, TX 7.3 mi
77574 League City, TX 8.5 mi
77573 League City, TX 9.0 mi
77517 Santa Fe, TX 9.0 mi
77565 Kemah, TX 9.8 mi

Find every ZIP code within 10 miles of 77591 →

Questions about this ZIP code

Where is ZIP code 77591?

77591 is in Texas City, Texas, in Galveston County, part of the Houston-Pasadena-The Woodlands, TX metropolitan area. Its published point location is 29.3994, -94.9991.

What county is 77591 in?

77591 lies in Galveston County.

What time zone is 77591 in?

77591 uses America/Chicago.

How many people live in 77591?

About 18,294 people live in ZIP code 77591, in 6,985 households, at 1,772.5 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What is the median household income in 77591?

$68,593 a year, against $78,476 across Texas.

What ZIP codes are near 77591?

The closest are 77568 (2.4 mi), 77539 (4.1 mi), 77590 (5.2 mi), 77510 (6.6 mi) and 77563 (6.9 mi).

Is 77591 a PO Box ZIP code?

77591 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “77591 ZIP Code — Texas City, Texas (Galveston County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/77591

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/77591.json

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