77581
ZIP 77581 is in Pearland, Texas, mostly in Brazoria County; area codes 346, 281 and 832; Central time. Pearland has 3 ZIP codes; the others are 77584 and 77588.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Brazoria +1 more
- Metro area
- Houston-Pasadena-The Woodlands, TX
- Population
- 51,332
- Coordinates
- 29.5616, -95.2798
Weather right now
Asking the National Weather Service…
Where 77581 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.
- 🔢 Type 77581 into a pocket calculator and turn it upside down: IBSLL — not quite a word, sorry.
- ➕ As a number, 77,581 = 7 × 11083. Its digits add up to 28, a total 1,520 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10010111100001101 - 🏠 Its numerical neighbours: 77580 (Mont Belvieu, TX, 32 mi away) and 77582 (Raywood, TX, 48 mi away).
- 🔄 Backwards, 77581 becomes 18577 — and that is a real ZIP code: Scranton, PA, 1,369 miles away.
- 👥 17 other ZIP codes are made of exactly the same digits (15778, 17578, 17758, 17857, 18577, 57718, …). The farthest-flung twin is 18577 in Scranton, PA, 1,369 miles away.
- 🧭 Farther south than 94% of all ZIP codes, and farther west than 69%.
- 🎯734 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 77581 and you would come out at 29.56°S, 84.72°E — 1,432 miles from West Island, Cocos Islands, the nearest big city to that spot.
- ☀Longest day of the year: 14h 03m of daylight. Shortest: 10h 15m.
- 📏 At 24.6 square miles of land, 77581 is bigger than 41% of ZIP codes — room for about 19 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 51,332This ZIP51,332 |
|---|---|
| Households | 17,847This ZIP17,847 |
| Housing units | 18,633This ZIP18,633 |
| Median age | 37.5This ZIP37.5Texas35.6US 38.9 |
| Median household income | $111,139This ZIP$111,139Texas$78,476US $80,734 |
| Median home value | $338,000This ZIP$338,000Texas$283,800US $332,700 |
| Median gross rent | $1,596This ZIP$1,596Texas$1,403US $1,413 |
| Bachelor's degree or higher | 35.3%This ZIP35.3% |
| Mean commute | 32.7 minThis ZIP32.7 min |
| Population density | 2,084.8 / sq miThis ZIP2,084.8 / sq mi |
Business and tax activity
| Business establishments | 1,306This ZIP1,306 |
|---|---|
| Employees | 17,591This ZIP17,591 |
| Annual payroll | $766,946,000This ZIP$766,946,000 |
| Tax returns filed | 22,010This ZIP22,010 |
| Total adjusted gross income | $2,257,949,000This ZIP$2,257,949,000 |
Land area
| Land area | 24.62 sq miThis ZIP24.62 sq mi |
|---|---|
| Water area | 0.04 sq miThis ZIP0.04 sq mi |
Counties 77581 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Brazoria County | 94.3% |
| Harris County | 5.7% |
Other place names in 77581
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 77581
| ZIP | City | Distance |
|---|---|---|
77089 | Houston, TX | 3.7 mi |
77588 | Pearland, TX | 3.7 mi |
77075 | Houston, TX | 4.2 mi |
77584 | Pearland, TX | 4.4 mi |
77048 | Houston, TX | 5.1 mi |
77549 | Friendswood, TX | 5.2 mi |
77061 | Houston, TX | 5.9 mi |
77546 | Friendswood, TX | 6.3 mi |
77034 | Houston, TX | 6.4 mi |
77578 | Manvel, TX | 7.2 mi |
Find every ZIP code within 10 miles of 77581 →
Questions about this ZIP code
Where is ZIP code 77581?
77581 is in Pearland, Texas, in Brazoria County, part of the Houston-Pasadena-The Woodlands, TX metropolitan area. Its published point location is 29.5616, -95.2798.
What county is 77581 in?
77581 spans 2 counties: Brazoria County and Harris County. Most of it falls in Brazoria County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.
What area code is 77581?
Pearland uses area codes 346, 281 and 832, from NANPA's telephone records.
What time zone is 77581 in?
77581 uses America/Chicago.
How many people live in 77581?
About 51,332 people live in ZIP code 77581, in 17,847 households, at 2,084.8 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 77581?
$111,139 a year, against $78,476 across Texas.
What ZIP codes are near 77581?
The closest are 77089 (3.7 mi), 77588 (3.7 mi), 77075 (4.2 mi), 77584 (4.4 mi) and 77048 (5.1 mi).
Is 77581 a PO Box ZIP code?
77581 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “77581 ZIP Code — Pearland, Texas (Brazoria County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/77581
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/77581.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.