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zipcodes.pro — ZIP/80103

80103

ZIP 80103 is Byers, Colorado, mostly in Adams County; area codes 303 and 720; Mountain time.

Type
Standard
Time zone
America/Denver
County
Adams +1 more
Population
3,215
Coordinates
39.7912, -104.0938
☼ Live from 80103 — Byers, CO

Weather right now

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Local time: —

Where 80103 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 80103
  • 🔢 Type 80103 into a pocket calculator and turn it upside down: EOIOB — not quite a word, sorry.
  • ➕ As a number, 80,103 = 3 × 26701. Its digits add up to 12, a total 940 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011100011100111
  • 🏠 Its numerical neighbours: 80102 (Bennett, CO, 19 mi away) and 80104 (Castle Rock, CO, 51 mi away).
  • 🔄 Backwards, 80103 becomes 30108 — and that is a real ZIP code: Bowdon, GA, 1,127 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, 2,766 miles away.
  • 🧭 Farther north than 54% of all ZIP codes, and farther west than 82%.
  • 🎯293 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 80103 and you would come out at 39.79°S, 75.91°E — 717 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 368.3 square miles of land, 80103 is bigger than 96% of ZIP codes — room for about 280 Central Parks.
🌙 The sky over 80103 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population3,215This ZIP3,215
Households995This ZIP995
Housing units1,066This ZIP1,066
Median age32.0This ZIP32.0Colorado37.7US 38.9
Median household income$102,656This ZIP$102,656Colorado$95,470US $80,734
Median home value$501,900This ZIP$501,900Colorado$539,400US $332,700
Median gross rent$1,860This ZIP$1,860Colorado$1,761US $1,413
Bachelor's degree or higher18.9%This ZIP18.9%
Mean commute42.5 minThis ZIP42.5 min
Population density8.7 / sq miThis ZIP8.7 / sq mi

Business and tax activity

Business establishments38This ZIP38
Employees192This ZIP192
Annual payroll$9,214,000This ZIP$9,214,000
Tax returns filed1,320This ZIP1,320
Total adjusted gross income$102,745,000This ZIP$102,745,000

Land area

Land area368.33 sq miThis ZIP368.33 sq mi
Water area7.00 sq miThis ZIP7.00 sq mi

Counties 80103 spans

A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.

CountyShare of this ZIP
Adams County 66.6%
Arapahoe County 33.4%

Other place names in 80103

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

ZIP codes near 80103

ZIPCityDistance
80136 Strasburg, CO 9.9 mi
80105 Deer Trail, CO 12.6 mi
80041 Aurora, CO 17.1 mi
80044 Aurora, CO 17.1 mi
80046 Aurora, CO 17.1 mi
80047 Aurora, CO 17.1 mi
80102 Bennett, CO 18.7 mi
80654 Wiggins, CO 23.8 mi
80652 Roggen, CO 25.9 mi
80757 Woodrow, CO 27.1 mi

Find every ZIP code within 10 miles of 80103 →

Questions about this ZIP code

Where is ZIP code 80103?

80103 is in Byers, Colorado, in Adams County, part of the Denver-Aurora-Centennial, CO metropolitan area. Its published point location is 39.7912, -104.0938.

What county is 80103 in?

80103 spans 2 counties: Adams County and Arapahoe 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 80103?

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

What time zone is 80103 in?

80103 uses America/Denver.

How many people live in 80103?

About 3,215 people live in ZIP code 80103, in 995 households, at 8.7 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 80103?

$102,656 a year, against $95,470 across Colorado.

What ZIP codes are near 80103?

The closest are 80136 (9.9 mi), 80105 (12.6 mi), 80041 (17.1 mi), 80044 (17.1 mi) and 80046 (17.1 mi).

Is 80103 a PO Box ZIP code?

80103 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “80103 ZIP Code — Byers, Colorado (Adams County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/80103

Machine-readable version of these facts:

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