Duck Key

County:: Monroe County
County Seat:: No
Area (mi²):: 0.599
State:: Florida

Duck Key is a CDP located in Monroe County, Florida. Duck Key has a 2025 population of 758. Duck Key is currently growing at a rate of 1.2% annually but its population has decreased by -0.39% since the most recent census, which recorded a population of 761 in 2020.

The average household income in Duck Key is $175,685 with a poverty rate of 15.76%. The median age in Duck Key is 63.6 years: 63.4 years for males, and 64.3 years for females.

Demographics

The racial composition of Duck Key includes 88.61% White, 6.75% Black or African American, and smaller percentages for Two or more races, Asian, Native American, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Black or African American

Two or more races

Asian

Native American

Native Hawaiian or Pacific Islander

Other race

Race	Population	Percentage (of total)
White	669	88.61%
Black or African American	51	6.75%
Two or more races	22	2.91%
Asian	13	1.72%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

Duck Key Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Duck Key's average per capita income is $42,759. Household income levels show a median of $135,000. The poverty rate stands at 15.76%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Families	$138,333	$201,087
Married Families	$136,719	-
Households	$135,000	$175,685
Non Families	-	$105,829

$42,759

Average Income

$135,000

Median Household Income

15.76%

Poverty Rate