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Duck Key, FL
Census-designated place in Monroe County, Florida.
Population
647
Land area
0.6sq mi
People per sq mi
1,081
ZIP codes
0
Duck Key and its ZIP codes
Duck Key at a glance
- Duck Key is about 2.6 times as dense as Florida as a whole.
- Households here earn a median of $156,719 a year, about 2.1 times the Florida figure of $74,568.
- A typical owner-occupied home is valued at $1,051,000 (about 2.9 times the Florida figure) and median rent is $2,974 a month.
Local data for Duck Key, FL
Counts from official public data
Housing and community stats
Duck Key, FL, American Community Survey 2020-2024
Median household income
$156,719
Poverty rate
13.0%
Median home value
$1,051,000
Median rent
$2,974/mo
Homeownership
80.0%
Bachelor's or higher
49.1%
Median age
64.3
Average commute
14.2 min
Largest reported origins and ancestries: Irish Americans (87), German Americans (75), Polish Americans (43).
Economy and federal money
Jobs, pay, income and spending are for Monroe County. PPP loans are for Duck Key.
Unemployment rate
3.3%
Aug 2026, +0.3 pts in a year
Average annual pay
$62,166
47,299 jobs, 2025
Income per person
$147,760
BEA, 2024
Federal spending
$614M
FY 2026, $7,413 per person
How people get to work
Duck Key, FL, workers 16 and older. American Community Survey 5-year estimates
- Drove alone53.3%
- Carpooled4.6%
- Public transit0.0%
- Walked22.9%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other4.6%
- Worked from home14.6%
Average one-way commute: 14.2 minutes for people who do not work from home.
Environment and hazard risk
Duck Key, FL, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Moderate
Top: coastal flooding
Storm events since 1996
730
Countywide, mostly waterspout
Flood insurance policies
22,181
58.3% of homes, county
July high / Jan low
89° / 63°F
40.4 inches of rain a year
Health statistics
Share of adults in Duck Key, FL, CDC PLACES estimates
Obesity
23.4%
U.S. 33.3% -9.9 pts
Diabetes
13.6%
U.S. 12.1% +1.5 pts
Smoking
10.1%
U.S. 12.8% -2.7 pts
Uninsured (18-64)
9.3%
U.S. 11.1% -1.8 pts
Cities near Duck Key
| Name | Distance | Land area (sq mi) |
|---|---|---|
| MarathonCity | 6.5 mi | 8.4 |
| LaytonCity | 7.3 mi | 0.2 |
| Key Colony BeachCity | 7.6 mi | 0.4 |
| Islamorada, Village of IslandsVillage | 24 mi | 6.4 |
| Big Pine KeyCensus-designated place | 29 mi | 10.2 |
Frequently asked questions
- What county is Duck Key, FL in?
- Duck Key is in Monroe County, Florida.
- What is the population of Duck Key, FL?
- About 647 people live in Duck Key, based on American Community Survey 5-year estimates.
- What cities are near Duck Key?
- Nearby places include Marathon (6.5 mi), Layton (7.3 mi), Key Colony Beach (7.6 mi), Islamorada, Village of Islands (24 mi), Big Pine Key (29 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023