Key Colony Beach Flag

Key Colony Beach

County:
Monroe County
County Seat:
No
Area (mi²):
0.44
State:
Florida

Key Colony Beach is a city located in Monroe County, Florida. Key Colony Beach has a 2025 population of 735. Key Colony Beach is currently declining at a rate of -1.34% annually and its population has decreased by -6.61% since the most recent census, which recorded a population of 787 in 2020.

The average household income in Key Colony Beach is $110,260 with a poverty rate of 5.14%.The median age in Key Colony Beach is 66.1 years: 65.8 years for males, and 67.4 years for females.

735
Total Population
1,670
Density (mi²)
-10 -1.34%
Growth

Key Colony Beach Population

Key Colony Beach Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Key Colony Beach includes 93.14% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White48993.14%
Two or more races366.86%

Key Colony Beach Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Key Colony Beach's average per capita income is $38,860. Household income levels show a median of $94,531. The poverty rate stands at 5.14%.

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
Married Families$109,875-
Families$109,417$146,889
Households$94,531$110,260
Non Families$65,982$64,807

$38,860

Average Income

$94,531

Median Household Income

5.14%

Poverty Rate

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)