Key Biscayne Average Income, Population and Demographics

Are you tired of spending 10+ hours searching for demographic and population data for Key Biscayne, Florida? We have all of the data you need by state, county, city, and zip code that will save you many hours of research!

In this article, we'll explore most of the 190+ data points we have for Key Biscayne, covering popular demographics statistics like household income, race, age and gender, educational attainment, poverty, housing, and transportation.

The data on this page is from the 2022 American Community Survey (ACS) 5-Year survey from the US Census Bureau.

Median Household Income

According to the latest ACS 5-year survey in 2022, the median household income in Key Biscayne is $173,015.00.

The chart below shows the average household income by age in Key Biscayne.

  • Under 25
  • 25 to 44
  • 45 to 64
  • 65 and over

Average Household Income

A very commonly asked question is "what is the average household income in Key Biscayne, Florida?". The official term for the average household income is the mean household income. The mean household income is the total income of all households divided by the number of households.

The average (or mean) household income in Key Biscayne is $264,913.00.

47.23% of households in Key Biscayne, Florida are classed as high income households (making $200,000+ per year).

The difference between a median and an average income

The difference between a median and mean household income is that the median income is the middle point of the set of numbers whereas the mean income is an average of all numbers.

Both metrics are important when looking at the income statistics for Key Biscayne but because the median value doesn't depend on other numbers in the dataset, it doesn't change as much when some of the values are extremely low or extremely high.

Household Income Tiers for Key Biscayne

We can also look at the household income tiers. This lets you see how many households fall into each of the earnings brackets and what percentage that bracket is of the total number of households.

The chart below shows the household income brackets to see which age groups have the highest median income. The actual data is more granular than these brackets, but we've simplified them into bigger categories to make reviewing the data for Key Biscayne, Florida easier to view.

You can purchase the raw data above, which will have the full income tiers with smaller jumps in household income.

  • Less than $24,999
  • $25,000 to $49,999
  • $50,000 to $74,999
  • $75,000 to $99,999
  • $100,000 to $149,999
  • $150,000 to $199,999
  • $200,000 or more

Per Capita Income

The per capita income is the average income of all people in Key Biscayne, Florida. This is calculated by dividing the total income of all people in Key Biscayne by the total number of people in Key Biscayne.

It differs from the average or mean household income because it includes all people in Key Biscayne and not just the people who earn an income (i.e. children, retirees, unemployed, etc.).

The per capita income in Key Biscayne, Florida is $87,271.00.

Population in Key Biscayne by Race and Ethnicity

The total population in Key Biscayne is currently 14,572 people.

The race and ethnicity of the population in Key Biscayne can be very important for social research, economics, and marketing to a multi-culturial society.

Whether you want to target products or services to a particular race or ethnicity, or provide housing and new businesses to improve areas with a larger ethnic minority population, this data is very valuable for discovering suitable areas.

The chart below breaks down the population and percentage for each race and ethnicity in Key Biscayne, Florida.

  • 54.20% White
  • 25.00% Black/African American
  • 21.80% Native
  • 42.90% Hispanic
  • 0.60% Asian
  • 0.00% Hawaiian/Pacific Islander
  • 0.10% Two or more races
  • 0.20% Other

Population of Key Biscayne by Age and Gender

Another very important demographics statistic for Key Biscayne, Florida is the age and gender of the population. The age and gender of the population can be used to track trends in population growth or decline, and for businesses, the data can be used to identify people important to you and your business need.

In the table below, we show age groups at a 10 year granularity for ease of use. The raw data, which can be purchased above, includes age and gender at a 5 year granularity.

Age Group Male Female
0 to 9 Years 965 628
10 to 19 Years 1,881 1,452
20 to 29 Years 469 403
30 to 39 Years 502 690
40 to 49 Years 1,133 1,431
50 to 59 Years 1,069 1,108
60 to 69 Years 496 658
70 Years and over 688 999

Education Levels

Educational attainment is a very useful statistic that can give insights into other data such as the average household income, unemployment levels, and literacy.

What this means is that it is likely for areas that have higher levels of education to have higher average household incomes, lower unemployment rates, and higher literacy rates.

The chart below shows the educational attainment of the population in Key Biscayne, Florida.

  • Master's degree or higher
  • Bachelor's degree
  • Some college or associate's degree
  • High school diploma or equivalent
  • Less than high school diploma

Unemployment Rates

The unemployment rate is the percentage of the population that is actively looking for work but is unable to find a job. The unemployment rate is a very important statistic for Key Biscayne because it can show how many people are actively looking for work and how many people are unable to find a job.

Lower levels of unemployment is generally seen as a positive sign for the economy. It also makes the government in Key Biscayne look good because it shows that they are doing a good job of creating jobs, working to capacity, being efficient, and keeping the economy strong.

The unemployment rate is calculated using the total population in Key Biscayne, Florida that are over the age of 16.

The current population in Key Biscayne that are over the age of 16 is 10,794 people.

The unemployment rate in Key Biscayne is 4.10%, which means 255 people are unemployed.

Median Age in Key Biscayne

The median age is an interesting metric because it gives us an idea of the age distribution of people in Key Biscayne, Florida. You know when you see a median age that it is the age where half of the population is older and half is younger than it.

For demographic studies, this can be used to infer and compare date to things such as birth rates, the age of parents, and so on.

An increasing median age can be a sign of an aging population, which can be a sign of a declining population. This is because older people tend to have fewer children and die more often than younger people.

The median age in Key Biscayne is 42.3 years old.

We can also look at the median age by gender to compare the see how each group compares to the total median age:

Median age by gender in Key Biscayne







Households and Families

There are a total of 4,658 households in Key Biscayne, and the average household size is 3.13 people.

For families, the total number is 3,673, and the average family size is 3.53 people.

6.90% of those families in Key Biscayne, Florida are living below the poverty line.

The table below shows the poverty thresholds for Key Biscayne in .

Household Size Poverty Threshold
1 Person $14,580.00
2 People $19,720.00
3 People $24,860.00
4 People $30,000.00
5 People $35,140.00
6 People $40,280.00
7 People $45,420.00
8 People $50,560.00

Please note that the poverty thresholds shown above are from , while the latest demographics data we have is from 2022.

Households and Families by Marital Status

There are four types of household and family, as defined by the Census Bureau:

  • Married-couple
  • Male householder, no spouse present
  • Female householder, no spouse present
  • Nonfamily household

In the table below, you can see the total households and families in Key Biscayne, Florida for each type, as well as the average sizes.

Married Male Female Nonfamily
Total Households 3,084 63 526 985
Average Household Size 3.82 3.05 2.78 1.14
Total Families 3,084 63 526 0
Average Household Size 3.69 2.68 2.68 0

Housing Data in Key Biscayne

There are total of 7,403 housing units in Key Biscayne, Florida. Of those units, 4,658 (62.92%) are occupied, and 2,745 (37.08%) are vacant.

Rental Rates

Of the 7,403 housing units in Key Biscayne, 1,557 (21.03%) are occupied by renters. The median rent paid by renters is $3,501.00.

Owner occupied housing units make up the remaining 40.86% of housing units, with 3,025 housing units in total.

The table below breaks down how much rent is paid by renters in Key Biscayne, Florida.

  • No rent paid
  • Less than $500
  • $500 to $999
  • $1,000 to $1,499
  • $1,500 to $1,999
  • $2,000 to $2,499
  • $2,500 to $2,999
  • $3,000 or more

Property Values

The median value of a property in Key Biscayne is $1,331,900.00.

The table below breaks down the range of valuations for all properties in Key Biscayne.

  • Less than $50,000
  • $50,000 to $99,999
  • $100,000 to $149,999
  • $150,000 to $199,999
  • $200,000 to $299,999
  • $300,000 to $499,999
  • $500,000 to $999,999
  • $1,000,000 or more

Property Age

We can also look at the number of properties built in a given year to see the spread of property age in Key Biscayne, Florida.

  • 1939 or earlier
  • 1940 to 1949
  • 1950 to 1959
  • 1960 to 1969
  • 1970 to 1979
  • 1980 to 1989
  • 1990 to 1999
  • 2000 to 2009
  • 2010 to 2013
  • 2014 or later

Vehicles Available per Household

Finally, we have data on how many vehicles each household in Key Biscayne has. The table below breaks down the number of vehicles available per household.

  • No vehicles available
  • 1 vehicle available
  • 2 vehicles available
  • 3 or more vehicles available

Commuting to Work in Key Biscayne

The time and means of commuting to work are useful metrics to look at because they can be correlated against other data such as income and education level.

Does a longer commuting time indicate a higher average income? If so, has the huge increase in home working during the pandemic changed this?

Using these metrics, we can get a better understanding of the demographics of Key Biscayne, Florida, how they commute, and how that correlates to other data points.

The average travel time is 24.1 minutes, and the chart below covers the range of travel times across the population of Key Biscayne.

  • Less than 5 minutes
  • 5 to 9 minutes
  • 10 to 14 minutes
  • 15 to 19 minutes
  • 20 to 24 minutes
  • 25 to 29 minutes
  • 30 to 34 minutes
  • 35 to 39 minutes
  • 40 to 44 minutes
  • 45 to 59 minutes
  • 60 to 89 minutes
  • 90 or more minutes

We can also look at the means of transport in Key Biscayne to see which modes of transport people are using to commute to work.

  • Drove alone
  • Carpooled
  • Public transportation
  • Walked
  • Other means
  • Worked from home


Hopefully this article has given you the demographics data you were looking for in Key Biscayne, Florida.

If you need more demographics data, or you need the data listed above in spreadsheet form with more granular grouping, head back to the top of this page where you can purchase the complete demographics data for Key Biscayne.

Link To or Reference This Page

We spent a lot of time downloading, cleaning, merging, and formatting the data that is shown on the site.

If you found the data or information on this page useful in your research, please use the tool below to properly cite or reference Name Census as the source. We appreciate your support!

  • "Key Biscayne Average Income, Population and Demographics". Accessed on June 22, 2024.

  • "Key Biscayne Average Income, Population and Demographics"., Accessed 22 June, 2024

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