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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/80025

80025

ZIP 80025 is Eldorado Springs, Colorado, in Boulder County; area codes 303, 720 and 983; Mountain time.

Type
Standard
Time zone
America/Denver
County
Boulder
Metro area
Boulder, CO
Population
138
Coordinates
39.9255, -105.2995
☼ Live from 80025 — Eldorado Springs, CO

Weather right now

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NEXRAD radar
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Local time: —

Where 80025 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 80025
  • 🔢 Type 80025 into a pocket calculator and turn it upside down: SZOOB — not quite a word, sorry.
  • ➕ As a number, 80,025 = 3 × 5 × 5 × 11 × 97. Its digits add up to 15, a total 1,657 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011100010011001
  • 🏠 Its numerical neighbours: 80024 (Dupont, CO, 21 mi away) and 80026 (Lafayette, CO, 12 mi away).
  • 🔄 Backwards, 80025 becomes 52008, which is not a ZIP code at all.
  • 👥 23 other ZIP codes are made of exactly the same digits (05820, 08025, 08052, 08205, 08250, 08502, …). The farthest-flung twin is 05820 in Albany, VT, 1,702 miles away.
  • 🧭 Farther north than 56% of all ZIP codes, and farther west than 83%.
  • 🎯356 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 80025 and you would come out at 39.93°S, 74.70°E — 687 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 20m.
  • 📏 At 4.1 square miles of land, 80025 is bigger than 17% of ZIP codes — room for about 3.1 Central Parks.
🌙 The sky over 80025 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population138This ZIP138
Households87This ZIP87
Housing units87This ZIP87
Median age40.9This ZIP40.9Colorado37.7US 38.9
Median household income$134,102This ZIP$134,102Colorado$95,470US $80,734
Bachelor's degree or higher89.9%This ZIP89.9%
Population density34.1 / sq miThis ZIP34.1 / sq mi

Business and tax activity

Business establishments6This ZIP6
Employees25This ZIP25
Annual payroll$861,000This ZIP$861,000

Land area

Land area4.05 sq miThis ZIP4.05 sq mi
Water area0.00 sq miThis ZIP0.00 sq mi

Other place names in 80025

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

ZIP codes near 80025

ZIPCityDistance
80305 Boulder, CO 4.5 mi
80310 Boulder, CO 5.8 mi
80303 Boulder, CO 5.8 mi
80309 Boulder, CO 6.4 mi
80471 Pinecliffe, CO 6.4 mi
80007 Arvada, CO 6.7 mi
80403 Golden, CO 6.7 mi
80302 Boulder, CO 7.4 mi
80027 Louisville, CO 7.7 mi
80304 Boulder, CO 8.3 mi

Find every ZIP code within 10 miles of 80025 →

Questions about this ZIP code

Where is ZIP code 80025?

80025 is in Eldorado Springs, Colorado, in Boulder County, part of the Boulder, CO metropolitan area. Its published point location is 39.9255, -105.2995.

What county is 80025 in?

80025 lies in Boulder County.

What area code is 80025?

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

What time zone is 80025 in?

80025 uses America/Denver.

How many people live in 80025?

About 138 people live in ZIP code 80025, in 87 households, at 34.1 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 80025?

$134,102 a year, against $95,470 across Colorado.

What ZIP codes are near 80025?

The closest are 80305 (4.5 mi), 80310 (5.8 mi), 80303 (5.8 mi), 80309 (6.4 mi) and 80471 (6.4 mi).

Is 80025 a PO Box ZIP code?

80025 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “80025 ZIP Code — Eldorado Springs, Colorado (Boulder County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/80025

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