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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/80631

80631

ZIP 80631 is in Greeley, Colorado, in Weld County; area code 970; Mountain time. Greeley has 6 ZIP codes; the others are 80632, 80633, 80634, 80638 and 80639.

Type
Standard
Time zone
America/Denver
County
Weld
Metro area
Greeley, CO
Population
53,722
Coordinates
40.4447, -104.6794
☼ Live from 80631 — Greeley, CO

Weather right now

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Local time: —

Where 80631 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 80631
  • 🔢 Type 80631 into a pocket calculator and turn it upside down: IEgOB — not quite a word, sorry.
  • ➕ As a number, 80,631 = 3 × 3 × 17 × 17 × 31. Its digits add up to 18, a total 2,332 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011101011110111
  • 🏠 Its numerical neighbours: 80624 (Gill, CO, 13 mi away) and 80632 (Greeley, CO, 6 mi away).
  • 🔄 Backwards, 80631 becomes 13608 — and that is a real ZIP code: Antwerp, NY, 1,499 miles away.
  • 👥 58 other ZIP codes are made of exactly the same digits (01368, 01863, 03816, 03861, 06138, 06183, …). The farthest-flung twin is 03861 in Lee, NH, 1,733 miles away.
  • 🧭 Farther north than 61% of all ZIP codes, and farther west than 82%.
  • 🎯325 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 80631 and you would come out at 40.44°S, 75.32°E — 664 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 04m of daylight. Shortest: 9h 17m.
  • 📏 At 103.6 square miles of land, 80631 is bigger than 79% of ZIP codes — room for about 79 Central Parks.
🌙 The sky over 80631 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population53,722This ZIP53,722
Households17,863This ZIP17,863
Housing units18,907This ZIP18,907
Median age28.7This ZIP28.7Colorado37.7US 38.9
Median household income$54,591This ZIP$54,591Colorado$95,470US $80,734
Median home value$336,600This ZIP$336,600Colorado$539,400US $332,700
Median gross rent$1,238This ZIP$1,238Colorado$1,761US $1,413
Bachelor's degree or higher18.5%This ZIP18.5%
Mean commute23.2 minThis ZIP23.2 min
Population density518.6 / sq miThis ZIP518.6 / sq mi

Business and tax activity

Business establishments1,191This ZIP1,191
Employees27,957This ZIP27,957
Annual payroll$1,985,048,000This ZIP$1,985,048,000
Tax returns filed20,820This ZIP20,820
Total adjusted gross income$1,096,314,000This ZIP$1,096,314,000

Land area

Land area103.59 sq miThis ZIP103.59 sq mi
Water area1.37 sq miThis ZIP1.37 sq mi

Other place names in 80631

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

ZIP codes near 80631

ZIPCityDistance
80633 Greeley, CO 2.2 mi
80638 Greeley, CO 2.2 mi
80646 Lucerne, CO 2.3 mi
80639 Greeley, CO 3.3 mi
80620 Evans, CO 5.1 mi
80632 Greeley, CO 6.4 mi
80634 Greeley, CO 6.7 mi
80615 Eaton, CO 7.2 mi
80546 Severance, CO 10.6 mi
80645 La Salle, CO 11.3 mi

Find every ZIP code within 10 miles of 80631 →

Questions about this ZIP code

Where is ZIP code 80631?

80631 is in Greeley, Colorado, in Weld County, part of the Greeley, CO metropolitan area. Its published point location is 40.4447, -104.6794.

What county is 80631 in?

80631 lies in Weld County.

What area code is 80631?

Greeley uses area code 970, from NANPA's telephone records.

What time zone is 80631 in?

80631 uses America/Denver.

How many people live in 80631?

About 53,722 people live in ZIP code 80631, in 17,863 households, at 518.6 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 80631?

$54,591 a year, against $95,470 across Colorado.

What ZIP codes are near 80631?

The closest are 80633 (2.2 mi), 80638 (2.2 mi), 80646 (2.3 mi), 80639 (3.3 mi) and 80620 (5.1 mi).

Is 80631 a PO Box ZIP code?

80631 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “80631 ZIP Code — Greeley, Colorado (Weld County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/80631

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