City

Key Biscayne, FL

1 ZIP code  ·  Miami-Dade County  ·  Florida

👥14,628Population
💰$171,982Median HH Income▲ 125% above avg
🎂43.2Median Age
🏠$1,231,500Median Home Value▲ 342% above avg
🎓79.6%College Grads▲ 106% above avg
📊3.4%Unemployment▼ 31% below avg
People & Population (ACS 2023 — weighted avg)
♂ Male 49.9% Female 50.1% ♀

Race & Ethnicity

White: 23.2%Hispanic: 72.9%Black: 0.5%Asian: 0.2%Other: 3.2%Race
White23.2%
Hispanic72.9%
Black0.5%
Asian0.2%
Other3.2%

Age Breakdown

Under 5
5%
5–17
25%
18–24
4%
25–44
17%
45–64
31%
65+
8%

Key Indicators

Median Age43.2 yrs
Avg HH Size2.92
Below Poverty7.7% ▼ 23% below avg
College Grads79.6% ▲ 106% above avg
Unemployment3.4% ▼ 31% below avg
No HS Diploma18 (0.2%)
HS Graduate777 (8.7%)
Some College255 (2.9%)
Associates761 (8.6%)
Bachelors409 (4.6%)
Graduate Degree6,673 (75%)

Education

No HS: 0.2%HS Grad: 8.7%Some College: 2.9%Associates: 8.6%Bachelors: 4.6%Graduate: 75%Edu
No HS0.2%
HS Grad8.7%
Some College2.9%
Associates8.6%
Bachelors4.6%
Graduate75.0%
Housing & Income

Housing Tenure

Owner: 69.4%Renter: 30.6%Tenure
Owner69.4%
Renter30.6%

Home Value Distribution

Under $50k
2%
$200k–$300k
2%
$300k–$500k
10%
Over $500k
85%

Financials

Median HH Income$171,982 ▲ 125% above avg
Median Home Value$1,231,500 ▲ 342% above avg
Home/Income Ratio7.2x (nat avg ~3.5x)
Median Rent$3,501/mo
Total Housing Units7,514
Vacant Units2,511

Income Distribution

Under $25k
12%
$25k–$50k
5%
$50k–$75k
10%
$75k–$100k
9%
$100k–$150k
10%
$150k–$200k
6%
Over $200k
48%
Employment & Commute

How People Get to Work

Drove Alone
60%
Public Transit
2%
Walked
3%
Work From Home
35%

Commute Time

Under 15 min
18%
15–30 min
49%
30–45 min
22%
Over 45 min
11%
Housing Stock

Year Built

Before 1940
1%
1940s–1950s
12%
1960s–1970s
24%
1980s–1990s
11%
2000+
53%
About Key Biscayne, FL

Key Biscayne is a city in Florida, located in Miami-Dade County. The city spans 1 ZIP code and is home to approximately 14,628 residents. It is a middle-aged city, with a median age of 43.2 years.

Economically, Key Biscayne is a affluent community. The median household income of $171,982 is more than double the national average. Approximately 7.7% of residents live below the poverty line. The unemployment rate is 3.4%, below the national average.

The real estate market in Key Biscayne is among the most expensive housing markets in the country. Median home values stand at $1,231,500, which is more than double the national average. Renters typically pay around $3,501 per month. Homeownership is high at 69.4%, typical of suburban and family-oriented communities.

The population of Key Biscayne is highly educated. 79.6% of adults hold a bachelor's degree or higher — more than double the national average. The community is primarily Hispanic (72.85%).

Key Biscayne, FL offers residents above-average earning potential within Florida.

ZIP Codes in Key Biscayne
ZIPPopulationMedian IncomeMedian HomeMedian RentUnemp.CollegeOwner Occ.
33149 14,628 $171,982 $1,231,500 $3,501 3.4% 79.6% 69.4%