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 — CITY/CO/ALLENSPARK

Allenspark ZIP code, Colorado

The ZIP code for Allenspark, CO is 80510, and its area code is 970.

USPS city name
1 ZIP code
Overlapping the city
1 more
Population
825
Area code
970

NANPA lists no telephone rate centre for Allenspark itself, so these are the area codes of the nearest one, Grand Lake (12.7 miles). A town on an area-code boundary can differ from its neighbour.

Mail addressed to Allenspark uses the ZIP code above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.

Allenspark in numbers

About 825 people live in Allenspark, in 412 households. The median household income is $108,056 a year, 13% above the Colorado median of $95,470 (US: $80,734). The median owner-occupied home is valued at $742,900 (38% above the Colorado median), and median gross rent is $1,311 a month. The median age is 54.1; 59.2% of adults 25 and over hold a bachelor's degree or higher (45.7% across Colorado); the average commute takes 38 minutes.

Population825Allenspark825
Households412Allenspark412
Median age54.1Allenspark54.1Colorado37.7US 38.9
Median household income$108,056Allenspark$108,056Colorado$95,470US $80,734
Median home value$742,900Allenspark$742,900Colorado$539,400US $332,700
Median gross rent$1,311Allenspark$1,311Colorado$1,761US $1,413
Bachelor's degree or higher59.2%Allenspark59.2%Colorado45.7%US 35.7%
Mean commute38.4 minAllenspark38.4 minColorado25.2 minUS 26.4 min
Population density69 / sq miAllenspark69 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Allenspark CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Allenspark

ZIP codes with the USPS city name Allenspark
ZIP City Type Population Median income Median home
80510 Allenspark , CO Standard 663 $101,250 $771,100

Other ZIP codes overlapping Allenspark

These ZIP codes cover part of Allenspark but are addressed as somewhere else.

ZIP codes overlapping Allenspark
ZIP City Type Population Median income Median home
80540 Lyons , CO Standard 4,642 $139,521 $795,500

Map of Allenspark ZIP codes

The ZIP codes of Allenspark, CO, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Allenspark

The nearest larger towns are Estes Park (5,844 people, 9.4 mi), Lyons (1,838 people, 13 mi) and Nederland (1,655 people, 18 mi).

Towns near Allenspark
TownPopulationDistance
Estes Park 5,844 9.4 mi
Boulder 106,433 20.1 mi
Niwot 3,447 21.1 mi
Gunbarrel 10,051 21.7 mi
Longmont 99,406 22.5 mi
Louisville 20,786 26.8 mi
Loveland 78,410 27.2 mi
Lafayette 30,602 27.5 mi
Mead 5,919 27.9 mi
Superior 13,305 28.1 mi
Erie 33,808 28.6 mi
Berthoud 12,411 29.4 mi
Frederick 16,651 30.0 mi

More nearby: every ZIP code in Boulder County · Colorado ZIP codes

Cite this page

zipcodes.pro. “Allenspark, CO ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/co/allenspark

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