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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/77020

77020

ZIP 77020 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
23,686
Coordinates
29.7683, -95.3090
☼ Live from 77020 — Houston, TX

Weather right now

Asking the National Weather Service…

NEXRAD radar
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Local time: —

Where 77020 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 77020
  • 🔢 Type 77020 into a pocket calculator and turn it upside down: OZOLL — not quite a word, sorry.
  • ➕ As a number, 77,020 = 2 × 2 × 5 × 3851. Its digits add up to 16, a total 1,922 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10010110011011100
  • 🏠 Its numerical neighbours: 77019 (Houston, TX, 6 mi away) and 77021 (Houston, TX, 6 mi away).
  • 🔄 Backwards, 77020 becomes 02077, which is not a ZIP code at all.
  • 👥 16 other ZIP codes are made of exactly the same digits (00727, 00772, 02770, 07027, 07072, 07207, …). The farthest-flung twin is 00772 in Loiza, PR, 2,005 miles away.
  • 🧭 Farther south than 94% of all ZIP codes, and farther west than 69%.
  • 🎯719 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 77020 and you would come out at 29.77°S, 84.69°E — 1,444 miles from West Island, Cocos Islands, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 04m of daylight. Shortest: 10h 14m.
  • 📏 At 7.8 square miles of land, 77020 is bigger than 24% of ZIP codes — room for about 5.9 Central Parks.
🌙 The sky over 77020 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population23,686This ZIP23,686
Households8,975This ZIP8,975
Housing units10,088This ZIP10,088
Median age38.6This ZIP38.6Texas35.6US 38.9
Median household income$50,119This ZIP$50,119Texas$78,476US $80,734
Median home value$163,300This ZIP$163,300Texas$283,800US $332,700
Median gross rent$972This ZIP$972Texas$1,403US $1,413
Bachelor's degree or higher13.9%This ZIP13.9%
Mean commute27.4 minThis ZIP27.4 min
Population density3,033.2 / sq miThis ZIP3,033.2 / sq mi

Business and tax activity

Business establishments452This ZIP452
Employees7,182This ZIP7,182
Annual payroll$419,010,000This ZIP$419,010,000
Tax returns filed10,130This ZIP10,130
Total adjusted gross income$459,931,000This ZIP$459,931,000

Land area

Land area7.81 sq miThis ZIP7.81 sq mi
Water area0.29 sq miThis ZIP0.29 sq mi

Other place names in 77020

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

ZIP codes near 77020

ZIPCityDistance
77011 Houston, TX 1.8 mi
77292 Houston, TX 2.2 mi
77026 Houston, TX 2.5 mi
77003 Houston, TX 2.5 mi
77001 Houston, TX 3.1 mi
77029 Houston, TX 3.2 mi
77010 Houston, TX 3.2 mi
77023 Houston, TX 3.3 mi
77052 Houston, TX 3.3 mi
77201 Houston, TX 3.3 mi

Find every ZIP code within 10 miles of 77020 →

Questions about this ZIP code

Where is ZIP code 77020?

77020 is in Houston, Texas, in Harris County, part of the Houston-Pasadena-The Woodlands, TX metropolitan area. Its published point location is 29.7683, -95.3090.

What county is 77020 in?

77020 lies in Harris County.

What area code is 77020?

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

What time zone is 77020 in?

77020 uses America/Chicago.

How many people live in 77020?

About 23,686 people live in ZIP code 77020, in 8,975 households, at 3,033.2 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 77020?

$50,119 a year, against $78,476 across Texas.

What ZIP codes are near 77020?

The closest are 77011 (1.8 mi), 77292 (2.2 mi), 77026 (2.5 mi), 77003 (2.5 mi) and 77001 (3.1 mi).

Is 77020 a PO Box ZIP code?

77020 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “77020 ZIP Code — Houston, Texas (Harris County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/77020

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