Demographics of Key Biscayne village, Florida

Key Biscayne village, Florida had 14,815 people on July 1, 2025, by the Census Bureau’s estimate: +70 since July 2020. Age, income, poverty, housing and origin below come from the survey, averaged over 2020–2024, each with its margin of error.

Key Biscayne village, in four figures

14,815
Population: July 1, 2025, Vintage 2025 estimate. The survey’s 2020–⁠2024 figure is 14,791 ±28.; +0.5%
Change since July 2020: +70 people.; 42.2 ±2.2
Median age: ACS 2020–⁠2024.; $181,505 ±$39,472
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. The Bureau publishes no births, deaths or migration for a place, so the change is the difference between one July estimate and the next.

Key Biscayne village, Florida's population grew 0.5% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Key Biscayne village, Florida's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

Source: The Census Bureau

About this chart

The figures

Key Biscayne village, Florida's population grew 0.5% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Key Biscayne village, Florida's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	14,745	100.0	100.0
2021	14,525	98.5	100.2
2022	14,765	100.1	100.7
2023	14,991	101.7	101.6
2024	14,964	101.5	102.5
2025	14,815	100.5	103.1

Population of Key Biscayne village, Florida on July 1 of each year, Vintage 2025
July 1	Population	Change
2020	14,745	—
2021	14,525	−220
2022	14,765	+240
2023	14,991	+226
2024	14,964	−27
2025	14,815	−149

Age, 2020–2024

The median age is 42.2 ±2.2: for men 37.4 ±5.1 and for women 45.4 ±2.5. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

2 more columns on a wider screen

People in Key Biscayne village by age, ACS 2020–2024
Age	People	Share	Florida	United States
Under 5	854 ±265	5.8% ±1.8	5.0% ±<0.1	5.6% ±<0.1
5 to 17	3,848 ±523	26.0% ±3.5	14.5% ±0.1	16.3% ±<0.1
18 to 24	664 ±192	4.5% ±1.3	8.1% ±<0.1	9.1% ±<0.1
25 to 44	2,639 ±404	17.8% ±2.7	25.3% ±0.1	26.9% ±<0.1
45 to 64	4,469 ±466	30.2% ±3.1	25.7% ±0.1	24.8% ±<0.1
65 and over	2,317 ±313	15.7% ±2.1	21.3% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $181,505 ±$39,472, and income per person $106,219 ±$7,831, in 2024 dollars. The median is $74,568 ±$284 in Florida and $80,734 ±$166 in the United States.

Households by income

2 more columns on a wider screen

Households in Key Biscayne village by income, ACS 2020–2024
Household income	Households	Share	Florida	United States
Under $25,000	490 ±164	9.9% ±3.3	15.0% ±0.1	14.6% ±<0.1
$25,000 to $49,999	227 ±89	4.6% ±1.8	18.4% ±0.1	16.7% ±<0.1
$50,000 to $74,999	347 ±131	7.0% ±2.6	16.8% ±0.1	15.5% ±<0.1
$75,000 to $99,999	542 ±160	11.0% ±3.2	13.1% ±0.1	12.6% ±<0.1
$100,000 to $149,999	578 ±147	11.7% ±2.9	17.2% ±0.1	17.5% ±<0.1
$150,000 to $199,999	373 ±107	7.5% ±2.1	8.4% ±0.1	9.6% ±<0.1
$200,000 or more	2,388 ±202	48.3% ±3.2	11.0% ±0.1	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

2 more columns on a wider screen

Poverty rate in Key Biscayne village by age, ACS 2020–2024
Age	Below poverty	Rate	Florida	United States
All ages	809 ±379	5.5% ±2.6	12.6% ±0.1	12.5% ±0.1
Under 18	39 to 335	0.9% to 7.1%	16.5% ±0.2	16.1% ±0.1
18 to 59	138 to 598	1.9% to 8.4%	11.5% ±0.1	11.6% ±0.1
60 and over	254 ±107	8.6% ±3.4	11.8% ±0.1	11.0% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Housing, 2020–2024

1 more column on a wider screen

Housing in Key Biscayne village, ACS 2020–2024
Measure	Key Biscayne village	Florida	United States
Housing units	7,310 ±420	10,256,470 ±942	143,775,355 ±10,234
Occupied	67.6% ±5.3	85.3% ±0.2	89.9% ±0.1
Vacant	32.4% ±3.9	14.7% ±0.2	10.1% ±0.1
Owner occupied	66.6% ±5.3	67.6% ±0.3	65.2% ±0.3
Renter occupied	33.4% ±4.1	32.4% ±0.2	34.8% ±0.1
Median home value	$1,575,300 ±$152,495	$359,000 ±$930	$332,700 ±$236
Median gross rent	At the edge of the top or bottom interval	$1,669 ±$5	$1,413 ±$2
Median year built	1977 ±2	1988 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

2 more columns on a wider screen

People in Key Biscayne village by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Florida	United States
Hispanic or Latino	10,398 ±568	70.3% ±3.8	27.4% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	3,475 ±535	23.5% ±3.6	50.4% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	0 to 88	0% to 0.6%	14.6% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	0 to 47	0% to 0.3%	2.9% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 24	0% to 0.2%	0.1% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 24	0% to 0.2%	0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 38	0% to 0.3%	0.7% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	837 ±343	5.7% ±2.3	3.8% ±0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

2 more columns on a wider screen

People in Key Biscayne village by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Florida	United States
Born in the state	3,195 ±478	21.6% ±3.2	35.5% ±0.1	57.3% ±<0.1
Born in another state	2,316 ±438	15.7% ±3.0	38.7% ±0.1	26.9% ±<0.1
Born a citizen outside the states	692 ±206	4.7% ±1.4	4.0% ±0.1	1.7% ±<0.1
Born abroad	8,588 ±659	58.1% ±4.5	21.9% ±0.1	14.1% ±<0.1
Naturalized citizens	3,787 ±518	25.6% ±3.5	12.6% ±0.1	7.4% ±<0.1
Not citizens	4,801 ±927	32.5% ±6.3	9.3% ±0.1	6.8% ±<0.1

Key Biscayne village among the places of Florida

267th of 482 places of 5,000 or more by the survey’s 2020–2024 count. Every one is listed on the Florida page.

Places of Florida near Key Biscayne village in population, ACS 2020–2024
Place	ACS 2020–⁠2024
West Park city	15,249 ±47
Fruitville CDP	15,172 ±1,175
Elfers CDP	15,006 ±1,434
West Lealman CDP	14,944 ±1,112
Oldsmar city	14,904 ±47
Key Biscayne village	14,791 ±28
East Milton CDP	14,783 ±1,360
Bellair-Meadowbrook Terrace CDP	14,755 ±978
Asbury Lake CDP	14,458 ±1,713
Gonzalez CDP	14,458 ±1,452
Goulds CDP	14,425 ±1,697

Rankings this appears in

No. 1 Places in Florida by median home value
No. 1 Places in Florida by median household income
No. 5 Places in Florida by per capita income
No. 9 Places in Florida by foreign-born share
No. 10 Places by foreign-born share
No. 11 Places by median home value

Sources

Census Bureau population estimates — incorporated places and New England towns — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Compiled automatically from Census Bureau population estimates — incorporated places and New England towns and American Community Survey 5-year estimates — table-based Summary File by a checked SQL query · Editor: Kian O'Connor · How this site is built

Data retrieved September 25, 2026