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zipcodes.pro — ZIP/78578

78578

ZIP 78578 is Port Isabel, Texas, in Cameron County; area code 956; Central time.

Type
Standard
Time zone
America/Chicago
County
Cameron
Population
10,016
Coordinates
26.0440, -97.3066
☼ Live from 78578 — Port Isabel, TX

Weather right now

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Local time: —

Where 78578 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 78578
  • 🔢 Type 78578 into a pocket calculator and turn it upside down: BLSBL — not quite a word, sorry.
  • ➕ As a number, 78,578 = 2 × 101 × 389. Its digits add up to 35, a total 212 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011001011110010
  • 🏠 Its numerical neighbours: 78577 (Pharr, TX, 56 mi away) and 78579 (Progreso, TX, 40 mi away).
  • 🔄 Backwards, 78578 becomes 87587, which is not a ZIP code at all.
  • 👥 8 other ZIP codes are made of exactly the same digits (57788, 58778, 58787, 75788, 77588, 78758, …). The farthest-flung twin is 58787 in Tolley, ND, 1,588 miles away.
  • 🧭 Farther south than 98% of all ZIP codes, and farther west than 75%.
  • 🎯955 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 78578 and you would come out at 26.04°S, 82.69°E — 1,329 miles from West Island, Cocos Islands, the nearest big city to that spot.
  • ☀Longest day of the year: 13h 46m of daylight. Shortest: 10h 30m.
  • 📏 At 57.0 square miles of land, 78578 is bigger than 63% of ZIP codes — room for about 43 Central Parks.
🌙 The sky over 78578 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population10,016This ZIP10,016
Households4,379This ZIP4,379
Housing units6,480This ZIP6,480
Median age49.0This ZIP49.0Texas35.6US 38.9
Median household income$51,880This ZIP$51,880Texas$78,476US $80,734
Median home value$196,200This ZIP$196,200Texas$283,800US $332,700
Median gross rent$749This ZIP$749Texas$1,403US $1,413
Bachelor's degree or higher28.6%This ZIP28.6%
Mean commute17.3 minThis ZIP17.3 min
Population density175.9 / sq miThis ZIP175.9 / sq mi

Business and tax activity

Business establishments211This ZIP211
Employees1,997This ZIP1,997
Annual payroll$64,089,000This ZIP$64,089,000
Tax returns filed4,520This ZIP4,520
Total adjusted gross income$290,576,000This ZIP$290,576,000

Land area

Land area56.95 sq miThis ZIP56.95 sq mi
Water area22.02 sq miThis ZIP22.02 sq mi

Other place names in 78578

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

ZIP codes near 78578

ZIPCityDistance
78521 Brownsville, TX 6.9 mi
78566 Los Fresnos, TX 8.2 mi
78526 Brownsville, TX 9.6 mi
78523 Brownsville, TX 14.0 mi
78575 Olmito, TX 15.1 mi
78522 Brownsville, TX 15.4 mi
78597 South Padre Island, TX 16.0 mi
78520 Brownsville, TX 16.1 mi
78568 Lozano, TX 17.8 mi
78583 Rio Hondo, TX 19.6 mi

Find every ZIP code within 10 miles of 78578 →

Questions about this ZIP code

Where is ZIP code 78578?

78578 is in Port Isabel, Texas, in Cameron County, part of the Brownsville-Harlingen, TX metropolitan area. Its published point location is 26.0440, -97.3066.

What county is 78578 in?

78578 lies in Cameron County.

What area code is 78578?

Port Isabel uses area code 956, from NANPA's telephone records.

What time zone is 78578 in?

78578 uses America/Chicago.

How many people live in 78578?

About 10,016 people live in ZIP code 78578, in 4,379 households, at 175.9 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 78578?

$51,880 a year, against $78,476 across Texas.

What ZIP codes are near 78578?

The closest are 78521 (6.9 mi), 78566 (8.2 mi), 78526 (9.6 mi), 78523 (14 mi) and 78575 (15.1 mi).

Is 78578 a PO Box ZIP code?

78578 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “78578 ZIP Code — Port Isabel, Texas (Cameron County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/78578

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