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/FL/DUCK-KEY

Duck Key ZIP codes, Florida

No ZIP code is named for Duck Key, FL; addresses there use a neighbouring town's name. The ZIP code covering it is 33050.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
647
State
Florida

Duck Key in numbers

About 647 people live in Duck Key, in 295 households. The median household income is $156,719 a year, 2.1 times the Florida median of $74,568 (US: $80,734). The median owner-occupied home is valued at $1,051,000 (2.9 times the Florida median), and median gross rent is $2,974 a month. The median age is 64.3; 49.1% of adults 25 and over hold a bachelor's degree or higher (34.1% across Florida); the average commute takes 14 minutes.

Population647Duck Key647
Households295Duck Key295
Median age64.3Duck Key64.3Florida42.6US 38.9
Median household income$156,719Duck Key$156,719Florida$74,568US $80,734
Median home value$1,051,000Duck Key$1,051,000Florida$359,000US $332,700
Median gross rent$2,974Duck Key$2,974Florida$1,669US $1,413
Bachelor's degree or higher49.1%Duck Key49.1%Florida34.1%US 35.7%
Mean commute14.2 minDuck Key14.2 minFlorida28.0 minUS 26.4 min
Population density1,080 / sq miDuck Key1,080 / sq mi

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

ZIP codes covering Duck Key

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

ZIP codes overlapping Duck Key
ZIP City Type Population Median income Median home
33050 Marathon , FL Standard 10,561 $94,898 $747,300

Map of Duck Key ZIP codes

33050

The ZIP codes of Duck Key, FL, 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 Duck Key

The nearest larger towns are Marathon (9,914 people, 7.8 mi), Islamorada, Village of Islands (7,068 people, 27 mi) and Big Pine Key (4,258 people, 29 mi).

Towns near Duck Key
TownPopulationDistance
Marathon 9,914 7.8 mi
Islamorada, Village of Islands 7,068 27.2 mi
Big Pine Key 4,258 29.1 mi

More nearby: every ZIP code in Monroe County · Florida ZIP codes

Cite this page

zipcodes.pro. “Duck Key, FL ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/fl/duck-key

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