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zipcodes.pro — ZIP/80128

80128

ZIP 80128 is in Littleton, Colorado, mostly in Jefferson County; area codes 303, 720 and 983; Mountain time. Littleton has 16 ZIP codes in all.

Type
Standard
Time zone
America/Denver
County
Jefferson +1 more
Population
36,712
Coordinates
39.5609, -105.0799
☼ Live from 80128 — Littleton, CO

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Local time: —

Where 80128 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 80128
  • 🔢 Type 80128 into a pocket calculator and turn it upside down: BZIOB — not quite a word, sorry.
  • ➕ As a number, 80,128 = 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 313. Its digits add up to 19, a total 2,454 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011100100000000
  • 🏠 Its numerical neighbours: 80127 (Littleton, CO, 5 mi away) and 80129 (Littleton, CO, 4 mi away).
  • 🔄 Backwards, 80128 becomes 82108, which is not a ZIP code at all.
  • 👥 29 other ZIP codes are made of exactly the same digits (02188, 02818, 02881, 08218, 08812, 08821, …). The farthest-flung twin is 02188 in Weymouth, MA, 1,780 miles away.
  • 🧭 Farther north than 53% of all ZIP codes, and farther west than 83%.
  • 🎯346 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 80128 and you would come out at 39.56°S, 74.92°E — 715 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 58m of daylight. Shortest: 9h 22m.
  • 📏 At 12.6 square miles of land, 80128 is bigger than 30% of ZIP codes — room for about 9.5 Central Parks.
🌙 The sky over 80128 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population36,712This ZIP36,712
Households14,385This ZIP14,385
Housing units14,678This ZIP14,678
Median age39.5This ZIP39.5Colorado37.7US 38.9
Median household income$121,436This ZIP$121,436Colorado$95,470US $80,734
Median home value$586,000This ZIP$586,000Colorado$539,400US $332,700
Median gross rent$2,108This ZIP$2,108Colorado$1,761US $1,413
Bachelor's degree or higher50.0%This ZIP50.0%
Mean commute27.1 minThis ZIP27.1 min
Population density2,922.9 / sq miThis ZIP2,922.9 / sq mi

Business and tax activity

Business establishments662This ZIP662
Employees3,549This ZIP3,549
Annual payroll$171,143,000This ZIP$171,143,000
Tax returns filed18,950This ZIP18,950
Total adjusted gross income$1,953,965,000This ZIP$1,953,965,000

Land area

Land area12.56 sq miThis ZIP12.56 sq mi
Water area1.76 sq miThis ZIP1.76 sq mi

Counties 80128 spans

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

CountyShare of this ZIP
Jefferson County 90.1%
Arapahoe County 9.9%

Other place names in 80128

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

ZIP codes near 80128

ZIPCityDistance
80129 Littleton, CO 3.8 mi
80123 Littleton, CO 3.8 mi
80120 Littleton, CO 4.3 mi
80160 Littleton, CO 4.9 mi
80161 Littleton, CO 4.9 mi
80165 Littleton, CO 4.9 mi
80166 Littleton, CO 4.9 mi
80127 Littleton, CO 5.0 mi
80125 Littleton, CO 5.3 mi
80235 Denver, CO 6.0 mi

Find every ZIP code within 10 miles of 80128 →

Questions about this ZIP code

Where is ZIP code 80128?

80128 is in Littleton, Colorado, in Jefferson County, part of the Denver-Aurora-Centennial, CO metropolitan area. Its published point location is 39.5609, -105.0799.

What county is 80128 in?

80128 spans 2 counties: Jefferson County and Arapahoe County. Most of it falls in Jefferson 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 80128?

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

What time zone is 80128 in?

80128 uses America/Denver.

How many people live in 80128?

About 36,712 people live in ZIP code 80128, in 14,385 households, at 2,922.9 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 80128?

$121,436 a year, against $95,470 across Colorado.

What ZIP codes are near 80128?

The closest are 80129 (3.8 mi), 80123 (3.8 mi), 80120 (4.3 mi), 80160 (4.9 mi) and 80161 (4.9 mi).

Is 80128 a PO Box ZIP code?

80128 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “80128 ZIP Code — Littleton, Colorado (Jefferson County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/80128

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