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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/77040

77040

ZIP 77040 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
50,977
Coordinates
29.8765, -95.5322
☼ Live from 77040 — Houston, TX

Weather right now

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NEXRAD radar
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Local time: —

Where 77040 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 77040
  • 🔢 Type 77040 into a pocket calculator and turn it upside down: OhOLL — not quite a word, sorry.
  • ➕ As a number, 77,040 = 2 × 2 × 2 × 2 × 3 × 3 × 5 × 107. Its digits add up to 18, a total 2,332 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10010110011110000
  • 🏠 Its numerical neighbours: 77039 (Houston, TX, 11 mi away) and 77041 (Houston, TX, 3 mi away).
  • 🔄 Backwards, 77040 becomes 04077 — and that is a real ZIP code: South Casco, ME, 1,677 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 93% of all ZIP codes, and farther west than 70%.
  • 🎯709 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 77040 and you would come out at 29.88°S, 84.47°E — 1,458 miles from West Island, Cocos Islands, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 04m of daylight. Shortest: 10h 13m.
  • 📏 At 13.8 square miles of land, 77040 is bigger than 32% of ZIP codes — room for about 11 Central Parks.
🌙 The sky over 77040 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population50,977This ZIP50,977
Households18,093This ZIP18,093
Housing units19,164This ZIP19,164
Median age34.4This ZIP34.4Texas35.6US 38.9
Median household income$65,028This ZIP$65,028Texas$78,476US $80,734
Median home value$244,700This ZIP$244,700Texas$283,800US $332,700
Median gross rent$1,382This ZIP$1,382Texas$1,403US $1,413
Bachelor's degree or higher26.2%This ZIP26.2%
Mean commute27.8 minThis ZIP27.8 min
Population density3,682.2 / sq miThis ZIP3,682.2 / sq mi

Business and tax activity

Business establishments1,518This ZIP1,518
Employees40,112This ZIP40,112
Annual payroll$3,011,897,000This ZIP$3,011,897,000
Tax returns filed22,020This ZIP22,020
Total adjusted gross income$1,451,733,000This ZIP$1,451,733,000

Land area

Land area13.84 sq miThis ZIP13.84 sq mi
Water area0.08 sq miThis ZIP0.08 sq mi

Other place names in 77040

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

ZIP codes near 77040

ZIPCityDistance
77064 Houston, TX 3.3 mi
77041 Houston, TX 3.5 mi
77086 Houston, TX 3.8 mi
77080 Houston, TX 4.1 mi
77092 Houston, TX 4.6 mi
77088 Houston, TX 4.8 mi
77065 Houston, TX 5.5 mi
77043 Houston, TX 5.5 mi
77066 Houston, TX 5.8 mi
77055 Houston, TX 6.0 mi

Find every ZIP code within 10 miles of 77040 →

Questions about this ZIP code

Where is ZIP code 77040?

77040 is in Houston, Texas, in Harris County, part of the Houston-Pasadena-The Woodlands, TX metropolitan area. Its published point location is 29.8765, -95.5322.

What county is 77040 in?

77040 lies in Harris County.

What area code is 77040?

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

What time zone is 77040 in?

77040 uses America/Chicago.

How many people live in 77040?

About 50,977 people live in ZIP code 77040, in 18,093 households, at 3,682.2 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 77040?

$65,028 a year, against $78,476 across Texas.

What ZIP codes are near 77040?

The closest are 77064 (3.3 mi), 77041 (3.5 mi), 77086 (3.8 mi), 77080 (4.1 mi) and 77092 (4.6 mi).

Is 77040 a PO Box ZIP code?

77040 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “77040 ZIP Code — Houston, Texas (Harris County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/77040

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