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/80401

80401

ZIP 80401 is in Golden, Colorado, in Jefferson County; area codes 303, 720 and 983; Mountain time. Golden has 4 ZIP codes; the others are 80402, 80403 and 80419.

Type
Standard
Time zone
America/Denver
County
Jefferson
Population
43,811
Coordinates
39.7189, -105.2353
☼ Live from 80401 — Golden, CO

Weather right now

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NEXRAD radar
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Local time: —

Where 80401 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 80401
  • 🔢 Type 80401 into a pocket calculator and turn it upside down: IOhOB — not quite a word, sorry.
  • ➕ As a number, 80,401 = 37 × 41 × 53. Its digits add up to 13, a total 1,179 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011101000010001
  • 🏠 Its numerical neighbours: 80314 (Boulder, CO, 27 mi away) and 80402 (Golden, CO, 3 mi away).
  • 🔄 Backwards, 80401 becomes 10408, which is not a ZIP code at all.
  • 👥 26 other ZIP codes are made of exactly the same digits (00841, 01084, 01840, 04108, 08014, 08041, …). The farthest-flung twin is 00841 in Frederiksted, VI, 2,846 miles away.
  • 🧭 Farther north than 54% of all ZIP codes, and farther west than 83%.
  • 🎯353 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 80401 and you would come out at 39.72°S, 74.76°E — 702 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 59m of daylight. Shortest: 9h 21m.
  • 📏 At 49.1 square miles of land, 80401 is bigger than 59% of ZIP codes — room for about 37 Central Parks.
🌙 The sky over 80401 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population43,811This ZIP43,811
Households17,319This ZIP17,319
Housing units18,142This ZIP18,142
Median age38.8This ZIP38.8Colorado37.7US 38.9
Median household income$118,039This ZIP$118,039Colorado$95,470US $80,734
Median home value$804,500This ZIP$804,500Colorado$539,400US $332,700
Median gross rent$1,939This ZIP$1,939Colorado$1,761US $1,413
Bachelor's degree or higher58.2%This ZIP58.2%
Mean commute23.0 minThis ZIP23.0 min
Population density892.8 / sq miThis ZIP892.8 / sq mi

Business and tax activity

Business establishments2,144This ZIP2,144
Employees30,856This ZIP30,856
Annual payroll$2,296,942,000This ZIP$2,296,942,000
Tax returns filed20,560This ZIP20,560
Total adjusted gross income$2,912,409,000This ZIP$2,912,409,000

Land area

Land area49.07 sq miThis ZIP49.07 sq mi
Water area0.58 sq miThis ZIP0.58 sq mi

Other place names in 80401

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

ZIP codes near 80401

ZIPCityDistance
80419 Golden, CO 1.9 mi
80402 Golden, CO 2.6 mi
80228 Denver, CO 3.7 mi
80453 Idledale, CO 3.8 mi
80457 Kittredge, CO 5.8 mi
80454 Indian Hills, CO 6.2 mi
80225 Denver, CO 6.3 mi
80215 Denver, CO 6.6 mi
80226 Denver, CO 7.6 mi
80465 Morrison, CO 7.7 mi

Find every ZIP code within 10 miles of 80401 →

Questions about this ZIP code

Where is ZIP code 80401?

80401 is in Golden, Colorado, in Jefferson County, part of the Denver-Aurora-Centennial, CO metropolitan area. Its published point location is 39.7189, -105.2353.

What county is 80401 in?

80401 lies in Jefferson County.

What area code is 80401?

Golden uses area codes 303, 720 and 983, from NANPA's telephone records.

What time zone is 80401 in?

80401 uses America/Denver.

How many people live in 80401?

About 43,811 people live in ZIP code 80401, in 17,319 households, at 892.8 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 80401?

$118,039 a year, against $95,470 across Colorado.

What ZIP codes are near 80401?

The closest are 80419 (1.9 mi), 80402 (2.6 mi), 80228 (3.7 mi), 80453 (3.8 mi) and 80457 (5.8 mi).

Is 80401 a PO Box ZIP code?

80401 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “80401 ZIP Code — Golden, Colorado (Jefferson County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/80401

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