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 2026 population of 730. Key Colony Beach is currently declining at a rate of -1.22% annually and its population has decreased by -7.12% since the most recent census, which recorded a population of 786 in 2020.

The median household income in Key Colony Beach is $94,231 with a poverty rate of 8.22%. The median age in Key Colony Beach is 66.5 years: 66.5 years for males, and 66 years for females. For every 100 females there are 72.6 males.

730
Total Population
1,659
Density (mi²)
-9 -1.22%
Growth

Key Colony Beach Population

Key Colony Beach Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026730-9-1.22%
2025739-10-1.34%
2024749-13-1.71%
2023762-11-1.42%
2022773-4-0.51%
2021777-9-1.15%
2020786-1-0.13%
2019799-8-0.99%
2018807-20-2.42%
2017827-4-0.48%
2016831-3-0.36%
201583450.6%
2014829101.22%
2013819121.49%
201280750.62%
201180250.63%
201079610.13%

Median Age

Overall: 66.5 years
Female: 66 years
Male: 66.5 years

Key Colony Beach Adults

There are 495 adults, (282 of whom are seniors) in Key Colony Beach.

Sex Ratio

Female: 296 (57.9%)
Male: 215 (42.1%)

Demographics

The racial composition of Key Colony Beach includes 90.61% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White46390.61%
Two or more races489.39%
Race
Population ↓
Percentage (of total)
Two or more races489.39%
Race
Population ↓
Percentage (of total)
White46390.61%

Key Colony Beach Marital Status

Economics and Income Statistics

Key Colony Beach 's average per capita income is $37,852. Household income levels show a median of $94,231. The poverty rate stands at 8.22%.

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$111,210-
Families$110,685$107,656
Households$94,231$87,821
Non Families$69,018$61,431

$37,852

Average Income

$94,231

Median Household Income

8.22%

Poverty Rate

Nearby Cities

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)