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/TWIN-LAKES

Twin Lakes ZIP code, Colorado

The ZIP code for Twin Lakes, CO is 81251.

USPS city name
1 ZIP code
Overlapping the city
1 more
Population
8,030

Mail addressed to Twin Lakes 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.

Twin Lakes in numbers

About 8,030 people live in Twin Lakes, in 3,376 households. The median household income is $95,583 a year, about the same as the Colorado median of $95,470 (US: $80,734). The median owner-occupied home is valued at $587,500 (9% above the Colorado median), and median gross rent is $1,596 a month. The median age is 36.7; 43.6% of adults 25 and over hold a bachelor's degree or higher (45.7% across Colorado); the average commute takes 30 minutes.

Population8,030Twin Lakes8,030
Households3,376Twin Lakes3,376
Median age36.7Twin Lakes36.7Colorado37.7US 38.9
Median household income$95,583Twin Lakes$95,583Colorado$95,470US $80,734
Median home value$587,500Twin Lakes$587,500Colorado$539,400US $332,700
Median gross rent$1,596Twin Lakes$1,596Colorado$1,761US $1,413
Bachelor's degree or higher43.6%Twin Lakes43.6%Colorado45.7%US 35.7%
Mean commute29.7 minTwin Lakes29.7 minColorado25.2 minUS 26.4 min
Population density4,890 / sq miTwin Lakes4,890 / sq mi

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

ZIP codes addressed as Twin Lakes

ZIP codes with the USPS city name Twin Lakes
ZIP City Type Population Median income Median home
81251 Twin Lakes , CO Standard 423 $105,600 $672,600

Other ZIP codes overlapping Twin Lakes

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

ZIP codes overlapping Twin Lakes
ZIP City Type Population Median income Median home
80221 Denver , CO Standard 39,718 $86,810 $472,900

Map of Twin Lakes ZIP codes

81251

The ZIP codes of Twin Lakes, 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 Twin Lakes

The nearest larger towns are Sherrelwood (18,692 people, 1.1 mi), Berkley (10,789 people, 1.7 mi) and Welby (16,197 people, 2.4 mi).

Towns near Twin Lakes
TownPopulationDistance
Sherrelwood 18,692 1.1 mi
Berkley 10,789 1.7 mi
Welby 16,197 2.4 mi
Federal Heights 14,125 3.0 mi
Shaw Heights 5,565 3.0 mi
Derby 8,453 4.8 mi
Westminster 115,484 5.0 mi
Edgewater 4,932 5.9 mi
Northglenn 38,014 6.3 mi
Wheat Ridge 32,070 6.4 mi
Thornton 144,187 7.5 mi
Denver 718,877 7.8 mi
Arvada 122,634 7.8 mi
Glendale 4,531 9.0 mi

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

Cite this page

zipcodes.pro. “Twin Lakes, CO ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/co/twin-lakes

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