Key Biscayne

Population: 14,560
Median household income: $172,604
Median home value: $1,238,700

Key Biscayne is a community in Miami-Dade County, Florida, home to 14,560 residents. The median household income of $172,604 is above the Miami-Dade County median ($68,694).

From 2019 to 2023, Key Biscayne's population grew 12.7% from 12,915 to 14,560, while its median home value rose 2.3% from $1,211,000 to $1,238,700.

The median gross rent is $3,501. 74.4% of adults 25 and older hold a bachelor's degree or higher.

Demographics

ACS 2019–2023

Population: 14,560
Median age: 43.1 yrs
Median household income: $172,604
Median home value: $1,238,700
Median gross rent: $3,501
Housing units: 7,496
Homeownership rate: 69.3%
Bachelor's degree or higher: 74.4%
Unemployment rate: 3.4%

Trends

ACS 5-year · 2019–2023

Population

12,91514,560

Median household income

$151,310$172,604

Median home value

$1,211,000$1,238,700

Median gross rent

$2,548$3,501

Year	Population	Median household income	Median home value	Median gross rent
2019	12,915	$151,310	$1,211,000	$2,548
2020	12,867	$166,667	$1,430,100	$2,584
2021	14,530	$167,990	$1,246,700	$2,697
2022	14,572	$173,015	$1,331,900	$3,501
2023	14,560	$172,604	$1,238,700	$3,501

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 55.3%

5 to 1725.5%

18 to 244.5%

25 to 345.9%

35 to 4411.0%

45 to 5420.3%

55 to 6411.0%

65 to 748.8%

75 and over7.7%

	Count	Share
Under 5	774	5.3%
5 to 17	3,709	25.5%
18 to 24	658	4.5%
25 to 34	864	5.9%
35 to 44	1,595	11.0%
45 to 54	2,958	20.3%
55 to 64	1,602	11.0%
65 to 74	1,281	8.8%
75 and over	1,119	7.7%

Race & ethnicity

	Count	Share
White (non-Hispanic)	3,372	23.2%
Black or African American	68	0.5%
American Indian & Alaska Native	0	0.0%
Asian	32	0.2%
Native Hawaiian & Pacific Islander	14	0.1%
Some other race	6	0.0%
Two or more races	465	3.2%
Hispanic or Latino (any race)	10,603	72.8%

Educational attainment (age 25+)

No high school diploma3.6%

High school graduate8.0%

Some college or associate's13.9%

Bachelor's degree34.1%

Graduate or professional degree40.3%

	Count	Share
No high school diploma	342	3.6%
High school graduate	754	8.0%
Some college or associate's	1,313	13.9%
Bachelor's degree	3,215	34.1%
Graduate or professional degree	3,795	40.3%

Commute to work

Mean travel time to work: 24 min

Drove alone55.2%

Carpooled4.6%

Public transit2.2%

Walked2.2%

Bicycle0.6%

Worked from home31.9%

Other means3.4%

How workers get to work

	Count	Share
Drove alone	3,386	55.2%
Carpooled	283	4.6%
Public transit	134	2.2%
Walked	138	2.2%
Bicycle	34	0.6%
Worked from home	1,955	31.9%
Other means	208	3.4%

Travel time

	Count	Share
Under 15 min	746	17.8%
15 to 29 min	2,053	49.1%
30 to 44 min	927	22.2%
45 to 59 min	268	6.4%
60+ min	189	4.5%

Households

Average household size: 2.92
Poverty rate: 7.7% (1,126 of 14,560)

	Count	Share
Family households	3,811	76.4%
Nonfamily households	1,174	23.6%

Housing

Median year structure built: 1978

Occupancy

	Count	Share
Occupied	4,985	66.5%
Vacant	2,511	33.5%

Tenure (of occupied units)

	Count	Share
Owner-occupied	3,456	69.3%
Renter-occupied	1,529	30.7%

1-unit, detached18.5%

1-unit, attached3.2%

2 to 4 units0.2%

5 to 19 units3.4%

20 or more units74.5%

Mobile home & other0.2%

Units in structure

	Count	Share
1-unit, detached	1,390	18.5%
1-unit, attached	241	3.2%
2 to 4 units	16	0.2%
5 to 19 units	254	3.4%
20 or more units	5,583	74.5%
Mobile home & other	12	0.2%

Geography

Place GEOID: 1236300
Type (LSAD): 47
Land area: 1.25 sq mi
Water area: 0.46 sq mi
Center point: 25.6907, -80.1656