Key Biscayne, Florida Population 2022

12,600
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Key Biscayne is a city located in Miami-Dade County Florida. Key Biscayne has a 2020 population of 12,600. Key Biscayne is currently declining at a rate of -0.65% annually but its population has increased by 1.70% since the most recent census, which recorded a population of 12,389 in 2010.

The average household income in Key Biscayne is $226,086 with a poverty rate of 4.90%. The median rental costs in recent years comes to $2,548 per month, and the median house value is $1.21 Mn. The median age in Key Biscayne is 42.4 years, 41.3 years for males, and 43.8 years for females.

Key Biscayne Demographics

According to the most recent ACS, the racial composition of Key Biscaynewas:

  • White: 96.63%
  • Two or more races: 1.46%
  • Other race: 1.39%
  • Asian: 0.29%
  • Native Hawaiian or Pacific Islander: 0.18%
  • Black or African American: 0.05%
  • Native American: 0.00%
The current population of Key Biscayne, Florida is 12,600 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 12,600.The last official US Census in 2010 recorded the population at 12,389.

Key Biscayne, Florida Population 2022

Population by Race

Race Population Percentage
White12,48096.63%
Two or More Races1891.46%
Some Other Race1801.39%
Asian370.29%
Native Hawaiian and Other Pacific Islander230.18%
Black or African American60.05%
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Key Biscayne Population by Race

Key Biscayne Population Pyramid $2022

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Key Biscayne Median Age

42.4


Total

41.3


Male

43.8


Female

Key Biscayne Adults

There are 9,293 adults, (2,165 of whom are seniors) in Key Biscayne.

Key Biscayne Age Dependency

Age Dependency Ratio

30.4

Old Age Dependency Ratio

50.8

Child Dependency Ratio

Key Biscayne Sex Ratio

Female

6,727

52.09%

Male

6,188

47.91%

Key Biscayne Population by Age

Key Biscayne Renter vs Owner Occupied by Household Type

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Key Biscayne Household Types

Type Owner Renter
Male53.3%46.7%
Non Family61.9%38.1%
All69.5%30.5%
Female72.2%27.8%
Married72.6%27.4%

69.5%

Rate of Home Ownership

Key Biscayne Households and Families

Type Count Average Size Owned
All4,4222.9269.5
Married2,8613.6172.6
Non Family1,1591.0961.9
Female3423.3572.2
Male602.9853.3

3.49

Average Family Size

2.92

Average Household Size

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Key Biscayne Households by Type

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Education Attained Count Percentage
Less Than 9th Grade610.72%
9th to 12th Grade1011.19%
High School Graduate6537.72%
Some College92610.95%
Associates Degree5176.12%
Bachelors Degree3,14837.24%
Graduate Degree3,04836.05%
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Key Biscayne Educational Attainment by Sex (over 25)

Key Biscayne Educational Attainment by Race

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Race Total High School Bachelors
Hispanic5,5765,5334,232
White2,7942,6751,934
2+ Races13713736
Other Race10710754
Islander232323
Asian20207
Black66

The highest rate of high school graduation is among black people with a rate of 100.00%.

The highest rate of bachelors degrees is among islander people with a rate of 100.00%.

Key Biscayne Educational Attainment by Race

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Name Average Male Female
Overall$74,678$107,146$41,925
Less Than 9th Grade$27,292$$
High School Graduate$36,563$29,750$
Some College$28,698$28,281$30,400
Bachelors Degree$80,965$108,000$41,010
Graduate Degree$102,079$162,143$52,942

$74,678

Average Earnings

$107,146

Average Male

$41,925

Average Female

Key Biscayne Earnings by Educational Attainment

Key Biscayne Language by Age

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Key Biscayne Language

19.58% of Key Biscayne residents speak only English, while 80.42% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 70.88% of the population.

Key Biscayne Language

Key Biscayne Poverty by Race

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Name Total In Poverty Poverty Rate
Hispanic8,9574464.98%
White3,8531734.49%
Multiple1892211.64%
OtherNaN%

4.90%

Overall Poverty Rate

3.36%

Male Poverty Rate

6.32%

Female Poverty Rate

Poverty in Key Biscayne

The race most likely to be in poverty in Key Biscayne is White, with 4.49% below the poverty level.

The race least likely to be in poverty in Key Biscayne is Hispanic, with 4.98% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.42%. Among those working part-time, it was 3.60%, and for those that did not work, the poverty rate was 9.63%.

Key Biscayne Poverty

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Name Poverty
High School15.77%
Less Than 9th Grade14.20%
Some College6.38%
Bachelors or Greater3.05%

Key Biscayne Poverty Rate by Education

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Rate Poverty
Female Unemployed24.34%
Male Unemployed4.97%
Female Employed1.40%
Male Employed1.02%

Key Biscayne Poverty Rate by Employment Status and Sex

Key Biscayne Income by Household Type

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Name Median Mean
Households$151,310$226,086
Families$180,823$259,276
Married Families$199,526-
Non Families$71,313$128,349
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Income by Household Type

Key Biscayne Marital Status

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Marriage Rates

60.1%

Overall Marriage Rate

63.3%

Male Marriage Rate

57.1%

Female Marriage Rate

Key Biscayne Married by Age and Sex

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Key Biscayne Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 35-44.

Key Biscayne Marital Status by Race

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Key Biscayne Marital Status

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309

Number of Veterans

Male Veterans

Female Veterans

War Veterans
Vietnam143
World War II56
First Gulf War37
Korea28
Second Gulf War12

Key Biscayne Veterans by War

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Age Group Veterans
75+173
65 to 7499
35 to 5437
55 to 64
18 to 34

Key Biscayne Veterans by Age

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Name Veterans % of Total
White2923.25%
Hispanic1201.93%
2+ Races1712.41%

Key Biscayne Veterans by Race

Key Biscayne Veterans by Education

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0.00%

Veteran Poverty Rate

33.98%

Veteran Disability Rate

Key Biscayne Veterans by Education

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60.9%

Labor Force Participation

57.6%

Employment Rate

5.3%

Unemployment Rate

Key Biscayne Employment by Age

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Key Biscayne Employment by Race

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Key Biscayne Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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27.88%

Born in Key Biscayne

49.44%

Native Born

50.56%

Foreign Born

25.30%

Non Citizen

25.27%

Naturalized

Place of Birth

49.44% of Key Biscayne residents were born in the United States, with 27.88% having been born in Florida. 25.30% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Key Biscayne Place of Birth

Note: 2021 and 2022 data is projected
Year Population Growth Annual Growth Rate
202212,600-82-0.65%
202112,682-82-0.64%
202012,764-82-0.64%
201912,846-82-0.63%
201812,928-68-0.52%
201712,996740.57%
201612,922960.75%
201512,826430.34%
201412,78370.05%
201312,776960.76%
201212,6801341.07%
201112,5461571.27%
201012,3891,8821.66%
200010,5070.00%

Key Biscayne Population by Year