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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/80517

80517

ZIP 80517 is in Estes Park, Colorado, in Larimer County; area code 970; Mountain time. Estes Park has 2 ZIP codes; the other is 80511.

Type
Standard
Time zone
America/Denver
County
Larimer
Population
9,657
Coordinates
40.3979, -105.6149
☼ Live from 80517 — Estes Park, CO

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Where 80517 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 80517
  • 🔢 Type 80517 into a pocket calculator and turn it upside down: LISOB — not quite a word, sorry.
  • ➕ As a number, 80,517 = 3 × 26839. Its digits add up to 21, a total 2,594 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011101010000101
  • 🏠 Its numerical neighbours: 80516 (Erie, CO, 39 mi away) and 80520 (Firestone, CO, 41 mi away).
  • 🔄 Backwards, 80517 becomes 71508, which is not a ZIP code at all.
  • 👥 47 other ZIP codes are made of exactly the same digits (05871, 07851, 08751, 10578, 10587, 15078, …). The farthest-flung twin is 05871 in West Burke, VT, 1,726 miles away.
  • 🧭 Farther north than 60% of all ZIP codes, and farther west than 83%.
  • 🎯374 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 80517 and you would come out at 40.40°S, 74.39°E — 651 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 04m of daylight. Shortest: 9h 17m.
  • 📏 At 297.2 square miles of land, 80517 is bigger than 95% of ZIP codes — room for about 226 Central Parks.
🌙 The sky over 80517 today
  • Working out the sun…
🌋 Shake report
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Source: USGS.

People and housing

Population9,657This ZIP9,657
Households4,533This ZIP4,533
Housing units6,745This ZIP6,745
Median age55.8This ZIP55.8Colorado37.7US 38.9
Median household income$95,404This ZIP$95,404Colorado$95,470US $80,734
Median home value$701,700This ZIP$701,700Colorado$539,400US $332,700
Median gross rent$1,537This ZIP$1,537Colorado$1,761US $1,413
Bachelor's degree or higher54.7%This ZIP54.7%
Mean commute13.4 minThis ZIP13.4 min
Population density32.5 / sq miThis ZIP32.5 / sq mi

Business and tax activity

Business establishments596This ZIP596
Employees4,363This ZIP4,363
Annual payroll$212,589,000This ZIP$212,589,000
Tax returns filed5,330This ZIP5,330
Total adjusted gross income$507,026,000This ZIP$507,026,000

Land area

Land area297.23 sq miThis ZIP297.23 sq mi
Water area1.42 sq miThis ZIP1.42 sq mi

Other place names in 80517

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

ZIP codes near 80517

ZIPCityDistance
80532 Glen Haven, CO 9.8 mi
80510 Allenspark, CO 12.8 mi
80447 Grand Lake, CO 13.0 mi
80515 Drake, CO 13.0 mi
80511 Estes Park, CO 16.1 mi
80512 Bellvue, CO 16.3 mi
80540 Lyons, CO 16.5 mi
80481 Ward, CO 20.6 mi
80537 Loveland, CO 21.8 mi
80538 Loveland, CO 21.9 mi

Find every ZIP code within 10 miles of 80517 →

Questions about this ZIP code

Where is ZIP code 80517?

80517 is in Estes Park, Colorado, in Larimer County, part of the Fort Collins-Loveland, CO metropolitan area. Its published point location is 40.3979, -105.6149.

What county is 80517 in?

80517 lies in Larimer County.

What area code is 80517?

Estes Park uses area code 970, from NANPA's telephone records.

What time zone is 80517 in?

80517 uses America/Denver.

How many people live in 80517?

About 9,657 people live in ZIP code 80517, in 4,533 households, at 32.5 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 80517?

$95,404 a year, against $95,470 across Colorado.

What ZIP codes are near 80517?

The closest are 80532 (9.8 mi), 80510 (12.8 mi), 80447 (13 mi), 80515 (13 mi) and 80511 (16.1 mi).

Is 80517 a PO Box ZIP code?

80517 is a standard ZIP code. A normal ZIP code with street delivery.

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zipcodes.pro. “80517 ZIP Code — Estes Park, Colorado (Larimer County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/80517

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