Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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/85631

85631

ZIP 85631 is San Manuel, Arizona, in Pinal County; area code 520; Mountain Standard Time all year.

Type
Standard
Time zone
America/Phoenix
County
Pinal
Population
3,508
Coordinates
32.5813, -110.5625
☼ Live from 85631 — San Manuel, AZ

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 85631 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 85631
  • 🔢 Type 85631 into a pocket calculator and turn it upside down: IEgSB — not quite a word, sorry.
  • ➕ As a number, 85,631 = 7 × 13 × 941. Its digits add up to 23, a total 2,533 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10100111001111111
  • 🏠 Its numerical neighbours: 85630 (Saint David, AZ, 53 mi away) and 85632 (San Simon, AZ, 88 mi away).
  • 🔄 Backwards, 85631 becomes 13658 — and that is a real ZIP code: Lisbon, NY, 2,061 miles away.
  • 👥 49 other ZIP codes are made of exactly the same digits (13658, 13685, 13856, 13865, 15368, 15638, …). The farthest-flung twin is 13658 in Lisbon, NY, 2,061 miles away.
  • 🧭 Farther south than 86% of all ZIP codes, and farther west than 86%.
  • 🎯834 miles southwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 85631 and you would come out at 32.58°S, 69.44°E — 1,131 miles from Port Louis, Mauritius, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 18m of daylight. Shortest: 10h 00m.
  • 📏 At 119.0 square miles of land, 85631 is bigger than 82% of ZIP codes — room for about 90 Central Parks.
🌙 The sky over 85631 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population3,508This ZIP3,508
Households1,573This ZIP1,573
Housing units1,612This ZIP1,612
Median age52.1This ZIP52.1Arizona39.0US 38.9
Median household income$48,389This ZIP$48,389Arizona$79,964US $80,734
Median home value$120,400This ZIP$120,400Arizona$394,500US $332,700
Median gross rent$708This ZIP$708Arizona$1,543US $1,413
Bachelor's degree or higher8.0%This ZIP8.0%
Mean commute38.1 minThis ZIP38.1 min
Population density29.5 / sq miThis ZIP29.5 / sq mi

Business and tax activity

Business establishments24This ZIP24
Employees109This ZIP109
Annual payroll$4,787,000This ZIP$4,787,000
Tax returns filed1,260This ZIP1,260
Total adjusted gross income$57,842,000This ZIP$57,842,000

Land area

Land area119.00 sq miThis ZIP119.00 sq mi
Water area0.00 sq mi

Other place names in 85631

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

ZIP codes near 85631

ZIPCityDistance
85623 Oracle, AZ 13.9 mi
85618 Mammoth, AZ 15.5 mi
85619 Mount Lemmon, AZ 16.4 mi
85738 Catalina, AZ 21.5 mi
85749 Tucson, AZ 22.9 mi
85737 Tucson, AZ 25.2 mi
85750 Tucson, AZ 25.6 mi
85755 Tucson, AZ 25.6 mi
85739 Tucson, AZ 26.1 mi
85192 Winkelman, AZ 27.2 mi

Find every ZIP code within 10 miles of 85631 →

Questions about this ZIP code

Where is ZIP code 85631?

85631 is in San Manuel, Arizona, in Pinal County, part of the Phoenix-Mesa-Chandler, AZ metropolitan area. Its published point location is 32.5813, -110.5625.

What county is 85631 in?

85631 lies in Pinal County.

What area code is 85631?

San Manuel uses area code 520, from NANPA's telephone records.

What time zone is 85631 in?

85631 uses America/Phoenix.

How many people live in 85631?

About 3,508 people live in ZIP code 85631, in 1,573 households, at 29.5 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 85631?

$48,389 a year, against $79,964 across Arizona.

What ZIP codes are near 85631?

The closest are 85623 (13.9 mi), 85618 (15.5 mi), 85619 (16.4 mi), 85738 (21.5 mi) and 85749 (22.9 mi).

Is 85631 a PO Box ZIP code?

85631 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “85631 ZIP Code — San Manuel, Arizona (Pinal County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/85631

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/85631.json

Underlying data is public domain or openly licensed — sources, vintages and licences.