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. For every 100 females there are 150.0 males.
Data after 2023 is projected based on recent change
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 and multiracial populations.
White (88.61%)
Black or African American (6.75%)
Two or more races (2.91%)
Asian (1.72%)
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% |
Married
Widowed
Divorced
Separated
Never Married
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%.
Name | Median | Mean |
|---|---|---|
| Families | $138,333 | $201,087 |
| Married Families | $136,719 | - |
| Households | $135,000 | $175,685 |
| Non Families | - | $105,829 |
Average Income
Median Household Income
Poverty Rate