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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/77504

77504

ZIP 77504 is in Pasadena, Texas, in Harris County; area codes 713, 832, 346 and 281; Central time. Pasadena has 8 ZIP codes in all.

Type
Standard
Time zone
America/Chicago
County
Harris
Population
25,779
Coordinates
29.6479, -95.1898
☼ Live from 77504 — Pasadena, TX

Weather right now

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Local time: —

Where 77504 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 77504
  • 🔢 Type 77504 into a pocket calculator and turn it upside down: hOSLL — not quite a word, sorry.
  • ➕ As a number, 77,504 = 2 × 2 × 2 × 2 × 2 × 2 × 7 × 173. Its digits add up to 23, a total 2,533 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10010111011000000
  • 🏠 Its numerical neighbours: 77503 (Pasadena, TX, 4 mi away) and 77505 (Pasadena, TX, 3 mi away).
  • 🔄 Backwards, 77504 becomes 40577 — and that is a real ZIP code: Lexington, KY, 844 miles away.
  • 👥 28 other ZIP codes are made of exactly the same digits (04757, 04775, 05477, 05747, 05774, 07457, …). The farthest-flung twin is 04757 in Mapleton, ME, 1,860 miles away.
  • 🧭 Farther south than 94% of all ZIP codes, and farther west than 69%.
  • 🎯729 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 77504 and you would come out at 29.65°S, 84.81°E — 1,433 miles from West Island, Cocos Islands, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 03m of daylight. Shortest: 10h 14m.
  • 📏 At 5.6 square miles of land, 77504 is bigger than 20% of ZIP codes — room for about 4.2 Central Parks.
🌙 The sky over 77504 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population25,779This ZIP25,779
Households8,958This ZIP8,958
Housing units9,934This ZIP9,934
Median age31.8This ZIP31.8Texas35.6US 38.9
Median household income$51,478This ZIP$51,478Texas$78,476US $80,734
Median home value$227,400This ZIP$227,400Texas$283,800US $332,700
Median gross rent$1,173This ZIP$1,173Texas$1,403US $1,413
Bachelor's degree or higher15.4%This ZIP15.4%
Mean commute24.9 minThis ZIP24.9 min
Population density4,612.5 / sq miThis ZIP4,612.5 / sq mi

Business and tax activity

Business establishments520This ZIP520
Employees8,019This ZIP8,019
Annual payroll$451,127,000This ZIP$451,127,000
Tax returns filed9,630This ZIP9,630
Total adjusted gross income$500,296,000This ZIP$500,296,000

Land area

Land area5.59 sq miThis ZIP5.59 sq mi
Water area0.04 sq miThis ZIP0.04 sq mi

Other place names in 77504

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

ZIP codes near 77504

ZIPCityDistance
77502 Pasadena, TX 2.3 mi
77034 Houston, TX 2.3 mi
77587 South Houston, TX 2.5 mi
77505 Pasadena, TX 2.9 mi
77501 Pasadena, TX 3.2 mi
77503 Pasadena, TX 3.5 mi
77089 Houston, TX 4.7 mi
77017 Houston, TX 4.7 mi
77506 Pasadena, TX 4.9 mi
77059 Houston, TX 4.9 mi

Find every ZIP code within 10 miles of 77504 →

Questions about this ZIP code

Where is ZIP code 77504?

77504 is in Pasadena, Texas, in Harris County, part of the Houston-Pasadena-The Woodlands, TX metropolitan area. Its published point location is 29.6479, -95.1898.

What county is 77504 in?

77504 lies in Harris County.

What area code is 77504?

Pasadena uses area codes 713, 832, 346 and 281, from NANPA's telephone records.

What time zone is 77504 in?

77504 uses America/Chicago.

How many people live in 77504?

About 25,779 people live in ZIP code 77504, in 8,958 households, at 4,612.5 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 77504?

$51,478 a year, against $78,476 across Texas.

What ZIP codes are near 77504?

The closest are 77502 (2.3 mi), 77034 (2.3 mi), 77587 (2.5 mi), 77505 (2.9 mi) and 77501 (3.2 mi).

Is 77504 a PO Box ZIP code?

77504 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “77504 ZIP Code — Pasadena, Texas (Harris County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/77504

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