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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/77004

77004

ZIP 77004 is in Houston, Texas, in Harris County; area codes 713, 832, 346 and 281; Central time. Houston has 178 ZIP codes in all.

Type
Standard
Time zone
America/Chicago
County
Harris
Population
35,997
Coordinates
29.7243, -95.3642
☼ Live from 77004 — Houston, TX

Weather right now

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Local time: —

Where 77004 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 77004
  • 🔢 Type 77004 into a pocket calculator and turn it upside down: hOOLL — not quite a word, sorry.
  • ➕ As a number, 77,004 = 2 × 2 × 3 × 3 × 3 × 23 × 31. Its digits add up to 18, a total 2,332 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10010110011001100
  • 🏠 Its numerical neighbours: 77003 (Houston, TX, 2 mi away) and 77005 (Houston, TX, 4 mi away).
  • 🔄 Backwards, 77004 becomes 40077 — and that is a real ZIP code: Westport, KY, 829 miles away.
  • 👥 14 other ZIP codes are made of exactly the same digits (04077, 07047, 07074, 07407, 07470, 07704, …). The farthest-flung twin is 04077 in South Casco, ME, 1,677 miles away.
  • 🧭 Farther south than 94% of all ZIP codes, and farther west than 69%.
  • 🎯721 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 77004 and you would come out at 29.72°S, 84.64°E — 1,444 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 5.2 square miles of land, 77004 is bigger than 19% of ZIP codes — room for about 4.0 Central Parks.
🌙 The sky over 77004 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population35,997This ZIP35,997
Households16,623This ZIP16,623
Housing units18,877This ZIP18,877
Median age35.0This ZIP35.0Texas35.6US 38.9
Median household income$71,199This ZIP$71,199Texas$78,476US $80,734
Median home value$412,800This ZIP$412,800Texas$283,800US $332,700
Median gross rent$1,249This ZIP$1,249Texas$1,403US $1,413
Bachelor's degree or higher57.3%This ZIP57.3%
Mean commute23.4 minThis ZIP23.4 min
Population density6,868.3 / sq miThis ZIP6,868.3 / sq mi

Business and tax activity

Business establishments828This ZIP828
Employees8,467This ZIP8,467
Annual payroll$424,069,000This ZIP$424,069,000
Tax returns filed12,630This ZIP12,630
Total adjusted gross income$1,300,572,000This ZIP$1,300,572,000

Land area

Land area5.24 sq miThis ZIP5.24 sq mi
Water area0.02 sq miThis ZIP0.02 sq mi

Other place names in 77004

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

ZIP codes near 77004

ZIPCityDistance
77204 Houston, TX 1.3 mi
77021 Houston, TX 1.8 mi
77006 Houston, TX 2.0 mi
77010 Houston, TX 2.0 mi
77003 Houston, TX 2.1 mi
77002 Houston, TX 2.3 mi
77292 Houston, TX 2.3 mi
77030 Houston, TX 2.6 mi
77052 Houston, TX 2.7 mi
77201 Houston, TX 2.7 mi

Find every ZIP code within 10 miles of 77004 →

Questions about this ZIP code

Where is ZIP code 77004?

77004 is in Houston, Texas, in Harris County, part of the Houston-Pasadena-The Woodlands, TX metropolitan area. Its published point location is 29.7243, -95.3642.

What county is 77004 in?

77004 lies in Harris County.

What area code is 77004?

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

What time zone is 77004 in?

77004 uses America/Chicago.

How many people live in 77004?

About 35,997 people live in ZIP code 77004, in 16,623 households, at 6,868.3 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 77004?

$71,199 a year, against $78,476 across Texas.

What ZIP codes are near 77004?

The closest are 77204 (1.3 mi), 77021 (1.8 mi), 77006 (2 mi), 77010 (2 mi) and 77003 (2.1 mi).

Is 77004 a PO Box ZIP code?

77004 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “77004 ZIP Code — Houston, Texas (Harris County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/77004

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