80221
ZIP 80221 is in Denver, Colorado, mostly in Adams County; area codes 303, 720 and 983; Mountain time. Denver has 66 ZIP codes in all.
- Type
- Standard
- Time zone
- America/Denver
- County
- Adams +1 more
- Metro area
- Denver-Aurora-Centennial, CO
- Population
- 39,718
- Coordinates
- 39.8160, -105.0116
Weather right now
Asking the National Weather Service…
Where 80221 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 80221 into a pocket calculator and turn it upside down: IZZOB — not quite a word, sorry.
- ➕ 80221 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 13, a total 1,179 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10011100101011101 - 🏠 Its numerical neighbours: 80220 (Denver, CO, 8 mi away) and 80222 (Denver, CO, 11 mi away).
- 🔄 Backwards, 80221 becomes 12208 — and that is a real ZIP code: Albany, NY, 1,624 miles away.
- 👥 38 other ZIP codes are made of exactly the same digits (01822, 02128, 02812, 08212, 08221, 10282, …). The farthest-flung twin is 02128 in Boston, MA, 1,768 miles away.
- 🧭 Farther north than 55% of all ZIP codes, and farther west than 83%.
- 🎯341 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 80221 and you would come out at 39.82°S, 74.99°E — 699 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 00m of daylight. Shortest: 9h 21m.
- 📏 At 9.1 square miles of land, 80221 is bigger than 26% of ZIP codes — room for about 6.9 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 39,718This ZIP39,718 |
|---|---|
| Households | 15,084This ZIP15,084 |
| Housing units | 15,677This ZIP15,677 |
| Median age | 34.9This ZIP34.9Colorado37.7US 38.9 |
| Median household income | $86,810This ZIP$86,810Colorado$95,470US $80,734 |
| Median home value | $472,900This ZIP$472,900Colorado$539,400US $332,700 |
| Median gross rent | $1,666This ZIP$1,666Colorado$1,761US $1,413 |
| Bachelor's degree or higher | 32.1%This ZIP32.1% |
| Mean commute | 28.2 minThis ZIP28.2 min |
| Population density | 4,367.5 / sq miThis ZIP4,367.5 / sq mi |
Business and tax activity
| Business establishments | 861This ZIP861 |
|---|---|
| Employees | 13,526This ZIP13,526 |
| Annual payroll | $769,271,000This ZIP$769,271,000 |
| Tax returns filed | 21,070This ZIP21,070 |
| Total adjusted gross income | $1,391,084,000This ZIP$1,391,084,000 |
Land area
| Land area | 9.09 sq miThis ZIP9.09 sq mi |
|---|---|
| Water area | 0.26 sq miThis ZIP0.26 sq mi |
Counties 80221 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Adams County | 88.5% |
| Denver County | 11.5% |
Other place names in 80221
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 80221
| ZIP | City | Distance |
|---|---|---|
80030 | Westminster, CO | 1.7 mi |
80035 | Westminster, CO | 2.0 mi |
80036 | Westminster, CO | 2.0 mi |
80003 | Arvada, CO | 2.9 mi |
80216 | Denver, CO | 3.3 mi |
80211 | Denver, CO | 3.4 mi |
80260 | Denver, CO | 3.6 mi |
80212 | Denver, CO | 3.6 mi |
80229 | Denver, CO | 3.9 mi |
80001 | Arvada, CO | 4.1 mi |
Find every ZIP code within 10 miles of 80221 →
Questions about this ZIP code
Where is ZIP code 80221?
80221 is in Denver, Colorado, in Adams County, part of the Denver-Aurora-Centennial, CO metropolitan area. Its published point location is 39.8160, -105.0116.
What county is 80221 in?
80221 spans 2 counties: Adams County and Denver County. Most of it falls in Adams 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 80221?
Denver uses area codes 303, 720 and 983, from NANPA's telephone records.
What time zone is 80221 in?
80221 uses America/Denver.
How many people live in 80221?
About 39,718 people live in ZIP code 80221, in 15,084 households, at 4,367.5 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 80221?
$86,810 a year, against $95,470 across Colorado.
What ZIP codes are near 80221?
The closest are 80030 (1.7 mi), 80035 (2 mi), 80036 (2 mi), 80003 (2.9 mi) and 80216 (3.3 mi).
Is 80221 a PO Box ZIP code?
80221 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “80221 ZIP Code — Denver, Colorado (Adams County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/80221
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/80221.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.