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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/77018

77018

ZIP 77018 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
31,031
Coordinates
29.8274, -95.4261
☼ Live from 77018 — Houston, TX

Weather right now

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Local time: —

Where 77018 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 77018
  • 🔢 Type 77018 into a pocket calculator and turn it upside down: BIOLL — not quite a word, sorry.
  • ➕ As a number, 77,018 = 2 × 97 × 397. Its digits add up to 23, a total 2,533 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10010110011011010
  • 🏠 Its numerical neighbours: 77017 (Houston, TX, 14 mi away) and 77019 (Houston, TX, 5 mi away).
  • 🔄 Backwards, 77018 becomes 81077 — and that is a real ZIP code: Swink, CO, 735 miles away.
  • 👥 25 other ZIP codes are made of exactly the same digits (01778, 07718, 07871, 17078, 17087, 17870, …). The farthest-flung twin is 01778 in Wayland, MA, 1,589 miles away.
  • 🧭 Farther south than 94% of all ZIP codes, and farther west than 70%.
  • 🎯714 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 77018 and you would come out at 29.83°S, 84.57°E — 1,452 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 6.8 square miles of land, 77018 is bigger than 22% of ZIP codes — room for about 5.1 Central Parks.
🌙 The sky over 77018 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population31,031This ZIP31,031
Households12,521This ZIP12,521
Housing units13,831This ZIP13,831
Median age36.0This ZIP36.0Texas35.6US 38.9
Median household income$127,017This ZIP$127,017Texas$78,476US $80,734
Median home value$584,600This ZIP$584,600Texas$283,800US $332,700
Median gross rent$1,293This ZIP$1,293Texas$1,403US $1,413
Bachelor's degree or higher63.3%This ZIP63.3%
Mean commute27.3 minThis ZIP27.3 min
Population density4,585.6 / sq miThis ZIP4,585.6 / sq mi

Business and tax activity

Business establishments1,079This ZIP1,079
Employees13,532This ZIP13,532
Annual payroll$726,083,000This ZIP$726,083,000
Tax returns filed13,340This ZIP13,340
Total adjusted gross income$2,533,760,000This ZIP$2,533,760,000

Land area

Land area6.77 sq miThis ZIP6.77 sq mi
Water area0.02 sq miThis ZIP0.02 sq mi

Other place names in 77018

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

ZIP codes near 77018

ZIPCityDistance
77202 Houston, TX 0.7 mi
77205 Houston, TX 0.7 mi
77206 Houston, TX 0.7 mi
77207 Houston, TX 0.7 mi
77213 Houston, TX 0.7 mi
77215 Houston, TX 0.7 mi
77216 Houston, TX 0.7 mi
77217 Houston, TX 0.7 mi
77218 Houston, TX 0.7 mi
77219 Houston, TX 0.7 mi

Find every ZIP code within 10 miles of 77018 →

Questions about this ZIP code

Where is ZIP code 77018?

77018 is in Houston, Texas, in Harris County, part of the Houston-Pasadena-The Woodlands, TX metropolitan area. Its published point location is 29.8274, -95.4261.

What county is 77018 in?

77018 lies in Harris County.

What area code is 77018?

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

What time zone is 77018 in?

77018 uses America/Chicago.

How many people live in 77018?

About 31,031 people live in ZIP code 77018, in 12,521 households, at 4,585.6 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 77018?

$127,017 a year, against $78,476 across Texas.

What ZIP codes are near 77018?

The closest are 77202 (0.7 mi), 77205 (0.7 mi), 77206 (0.7 mi), 77207 (0.7 mi) and 77213 (0.7 mi).

Is 77018 a PO Box ZIP code?

77018 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “77018 ZIP Code — Houston, Texas (Harris County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/77018

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