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Where 80301 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 80301 into a pocket calculator and turn it upside down: IOEOB — not quite a word, sorry.
- ➕ As a number, 80,301 = 3 × 13 × 29 × 71. Its digits add up to 12, a total 940 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10011100110101101 - 🏠 Its numerical neighbours: 80299 (Denver, CO, 24 mi away) and 80302 (Boulder, CO, 8 mi away).
- 🔄 Backwards, 80301 becomes 10308 — and that is a real ZIP code: Staten Island, NY, 1,628 miles away.
- 👥 34 other ZIP codes are made of exactly the same digits (00831, 01038, 01083, 01380, 01803, 01830, …). The farthest-flung twin is 00831 in St John, VI, 2,827 miles away.
- 🧭 Farther north than 57% of all ZIP codes, and farther west than 83%.
- 🎯351 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 80301 and you would come out at 40.05°S, 74.80°E — 681 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 01m of daylight. Shortest: 9h 19m.
- 📏 At 28.6 square miles of land, 80301 is bigger than 45% of ZIP codes — room for about 22 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 25,007This ZIP25,007 |
|---|---|
| Households | 12,371This ZIP12,371 |
| Housing units | 12,876This ZIP12,876 |
| Median age | 36.9This ZIP36.9Colorado37.7US 38.9 |
| Median household income | $95,207This ZIP$95,207Colorado$95,470US $80,734 |
| Median home value | $793,200This ZIP$793,200Colorado$539,400US $332,700 |
| Median gross rent | $2,074This ZIP$2,074Colorado$1,761US $1,413 |
| Bachelor's degree or higher | 69.5%This ZIP69.5% |
| Mean commute | 20.2 minThis ZIP20.2 min |
| Population density | 872.9 / sq miThis ZIP872.9 / sq mi |
Business and tax activity
| Business establishments | 2,184This ZIP2,184 |
|---|---|
| Employees | 43,691This ZIP43,691 |
| Annual payroll | $4,867,501,000This ZIP$4,867,501,000 |
| Tax returns filed | 14,190This ZIP14,190 |
| Total adjusted gross income | $2,131,563,000This ZIP$2,131,563,000 |
Land area
| Land area | 28.65 sq miThis ZIP28.65 sq mi |
|---|---|
| Water area | 2.91 sq miThis ZIP2.91 sq mi |
Other place names in 80301
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 80301
| ZIP | City | Distance |
|---|---|---|
80309 | Boulder, CO | 4.2 mi |
80544 | Niwot, CO | 4.3 mi |
80310 | Boulder, CO | 4.3 mi |
80304 | Boulder, CO | 4.6 mi |
80303 | Boulder, CO | 5.0 mi |
80305 | Boulder, CO | 5.4 mi |
80026 | Lafayette, CO | 5.8 mi |
80027 | Louisville, CO | 6.9 mi |
80302 | Boulder, CO | 7.9 mi |
80503 | Longmont, CO | 8.5 mi |
Find every ZIP code within 10 miles of 80301 →
Questions about this ZIP code
Where is ZIP code 80301?
80301 is in Boulder, Colorado, in Boulder County, part of the Boulder, CO metropolitan area. Its published point location is 40.0457, -105.2009.
What county is 80301 in?
80301 lies in Boulder County.
What area code is 80301?
Boulder uses area codes 720, 303 and 983, from NANPA's telephone records.
What time zone is 80301 in?
80301 uses America/Denver.
How many people live in 80301?
About 25,007 people live in ZIP code 80301, in 12,371 households, at 872.9 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 80301?
$95,207 a year, against $95,470 across Colorado.
What ZIP codes are near 80301?
The closest are 80309 (4.2 mi), 80544 (4.3 mi), 80310 (4.3 mi), 80304 (4.6 mi) and 80303 (5 mi).
Is 80301 a PO Box ZIP code?
80301 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “80301 ZIP Code — Boulder, Colorado (Boulder County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/80301
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/80301.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.