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/80125

80125

ZIP 80125 is in Littleton, Colorado, mostly in Douglas County; area codes 303, 720 and 983; Mountain time. Littleton has 16 ZIP codes in all.

Type
Standard
Time zone
America/Denver
County
Douglas +1 more
Population
15,630
Coordinates
39.4854, -105.0628
☼ Live from 80125 — Littleton, CO

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 80125 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 80125
  • 🔢 Type 80125 into a pocket calculator and turn it upside down: SZIOB — not quite a word, sorry.
  • ➕ As a number, 80,125 = 5 × 5 × 5 × 641. Its digits add up to 16, a total 1,922 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011100011111101
  • 🏠 Its numerical neighbours: 80124 (Lone Tree, CO, 10 mi away) and 80126 (Littleton, CO, 7 mi away).
  • 🔄 Backwards, 80125 becomes 52108, which is not a ZIP code at all.
  • 👥 65 other ZIP codes are made of exactly the same digits (01258, 01825, 01852, 02185, 02815, 05821, …). The farthest-flung twin is 02185 in Braintree, MA, 1,774 miles away.
  • 🧭 Farther north than 52% 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 80125 and you would come out at 39.49°S, 74.94°E — 720 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 23m.
  • 📏 At 39.2 square miles of land, 80125 is bigger than 53% of ZIP codes — room for about 30 Central Parks.
🌙 The sky over 80125 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population15,630This ZIP15,630
Households5,635This ZIP5,635
Housing units5,946This ZIP5,946
Median age40.6This ZIP40.6Colorado37.7US 38.9
Median household income$179,983This ZIP$179,983Colorado$95,470US $80,734
Median home value$762,200This ZIP$762,200Colorado$539,400US $332,700
Median gross rent$3,457This ZIP$3,457Colorado$1,761US $1,413
Bachelor's degree or higher64.9%This ZIP64.9%
Mean commute33.2 minThis ZIP33.2 min
Population density398.6 / sq miThis ZIP398.6 / sq mi

Business and tax activity

Business establishments469This ZIP469
Employees11,287This ZIP11,287
Annual payroll$1,295,946,000This ZIP$1,295,946,000
Tax returns filed8,440This ZIP8,440
Total adjusted gross income$1,533,270,000This ZIP$1,533,270,000

Land area

Land area39.22 sq miThis ZIP39.22 sq mi
Water area1.51 sq miThis ZIP1.51 sq mi

Counties 80125 spans

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

CountyShare of this ZIP
Douglas County 99.8%
Jefferson County 0.3%

Other place names in 80125

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

ZIP codes near 80125

ZIPCityDistance
80131 Louviers, CO 2.9 mi
80129 Littleton, CO 5.0 mi
80128 Littleton, CO 5.3 mi
80127 Littleton, CO 6.3 mi
80126 Littleton, CO 6.6 mi
80120 Littleton, CO 8.0 mi
80130 Littleton, CO 8.0 mi
80122 Littleton, CO 8.7 mi
80162 Littleton, CO 9.0 mi
80437 Evergreen, CO 9.0 mi

Find every ZIP code within 10 miles of 80125 →

Questions about this ZIP code

Where is ZIP code 80125?

80125 is in Littleton, Colorado, in Douglas County, part of the Denver-Aurora-Centennial, CO metropolitan area. Its published point location is 39.4854, -105.0628.

What county is 80125 in?

80125 spans 2 counties: Douglas County and Jefferson County. Most of it falls in Douglas 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 80125?

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

What time zone is 80125 in?

80125 uses America/Denver.

How many people live in 80125?

About 15,630 people live in ZIP code 80125, in 5,635 households, at 398.6 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 80125?

$179,983 a year, against $95,470 across Colorado.

What ZIP codes are near 80125?

The closest are 80131 (2.9 mi), 80129 (5 mi), 80128 (5.3 mi), 80127 (6.3 mi) and 80126 (6.6 mi).

Is 80125 a PO Box ZIP code?

80125 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “80125 ZIP Code — Littleton, Colorado (Douglas County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/80125

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/80125.json

Underlying data is public domain or openly licensed — sources, vintages and licences.