US ZIP Code
33149

Key Biscayne, FL

Miami-Dade County  ·  Florida

● Active
👥 14,628 Population ↑ 13% since 2019
💰 $171,982 Median HH Income
▲ 125% above avg ↑ 14% since 2019
🎂 43.2 Median Age ↑ 2% since 2019
🏠 $1,231,500 Median Home Value
▲ 342% above avg ↑ 2% since 2019
🎓 79.6% College Grads
▲ 106% above avg
📊 3.4% Unemployment
▼ 31% below avg ↓ 36% since 2019
ZIP Code Details
ZIP Code33149
CityKey Biscayne
StateFlorida (FL)
CountyMiami-Dade County
Area Code305/645
Latitude25.714412
Longitude-80.163587
TimezoneNew York (DST)
FIPS12086
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 49.9% (7,294) Female 50.1% (7,334) ♀

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 ↑ 2% since 2019
Avg Household 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 ↑ 14% since 2019
Median Home Value$1,231,500 ▲ 342% above avg ↑ 2% since 2019
Home/Income Ratio7.2x (nat avg ~3.5x)
Median Rent$3,501/mo ↑ 37% since 2019
Total Units7,514
Vacant Units2,511
Avg HH Size2.92

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%

Summary

Total Units7,514
Vacant2,511
Owner Occupied69.4%
Renter Occupied30.6%
Avg HH Size2.92
Frequently Asked Questions
ZIP code 33149 is in Key Biscayne, FL, in Miami-Dade County.
ZIP code 33149 is located in Florida (FL).
ZIP code 33149 is in Miami-Dade County, FL.
ZIP 33149 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 33149 is 14,628 people (ACS 2023).
The median household income in ZIP code 33149 is $171,982 (ACS 2023).
The median home value in ZIP 33149 is $1,231,500 (ACS 2023).
About ZIP Code 33149

ZIP code 33149 is located in Key Biscayne, Florida, within Miami-Dade County. With a population of 14,628, this is a lightly populated ZIP code with a middle-aged community — the median age is 43.2 years. Economically, 33149 is a affluent ZIP code: the median household income of $171,982 is more than double the national average.

Real estate in ZIP code 33149 represents among the most expensive housing markets in the country. The median home value of $1,231,500 is more than double the national average. Renters can expect to pay around $3,501 per month in median rent. Homeownership is strong here — 69.4% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 2% since 2019.

The population of 33149 is primarily Hispanic (72.85%). Residents are highly educated — 79.6% hold a bachelor's degree or higher, which is more than double the national average. Poverty affects a relatively small share of residents at 7.7%. Household income has grown by 14% since 2019.

The unemployment rate in 33149 stands at 3.4%, which is below the national average. A notably high share of workers — 32% — work from home, reflecting the professional makeup of the area. As in most parts of the country, driving alone is the dominant commute mode at 55%.

Overall, ZIP code 33149 in Key Biscayne, FL is characterized as affluent, highly educated, a middle-aged community, and predominantly owner-occupied. With 14,628 residents, a median household income of $171,982, and a median home value of $1,231,500, it offers a clear picture of life in this part of Florida.