Key Biscayne, FL · standard
ZIP Code 33149
Miami-Dade County, Florida - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 12,389
- 1,016/sq mi High-density area
- $181,505
- Median income Above-median income area
- $1,575,300
- Median home value Above-median home value
- 77.2%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Key Biscayne pairs a top-decile household income with top-decile home values, in a low-density, homeowner-dominated area.
- Top 2%
- household income, US ZIPs
- Top 1%
- home value, US ZIPs
- 1,016
- people per sq mi
- 67%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 33149 against every reporting US ZIP.
ZIP code 33149 is a mid-sized community (a standard USPS delivery area) in Key Biscayne, Miami-Dade County, Florida, home to 12,389 residents across 12.2 square miles, a density of 1,016 people per square mile, in the New York time zone.
ZIP 33149 skews affluent, with a median household income of $181,505 (135% above the average Florida ZIP), while per-capita income is $106,219. Both reported hardship measures are comparatively low in absolute terms: poverty is 5.5% and unemployment is 2.8%. Housing is both higher-cost and owner-heavy: median home value is $1,575,300 (320% above the average Florida ZIP), while 66.6% of occupied homes are owner-occupied and median rent is $3,501.
This is a highly-educated ZIP: 77.2% of adults hold a bachelor's degree or higher, the median age is 42.2, and the average commute is 24 minutes. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Miami-Dade County, so 33149 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 33149
Top 5 sectors by establishment count in Key Biscayne, FL
Which industries have the most business establishments in ZIP 33149.
- Professional, scientific, and technical services
Professional, scientific, and technical services
170 establishments
- Real estate and rental and leasing
Real estate and rental and leasing
106 establishments
- Other services (except public administration) 64
Other services (except public administration)
64 establishments
- Finance and insurance 62
Finance and insurance
62 establishments
- Retail trade 45
Retail trade
45 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 33149, Key Biscayne, FL · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
12,389
Population
12.2
Area (sq mi)
1,016
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 33149?
42.2
Median Age
49.9%
Male
50.1%
Female
58.1%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$181,505
Median Household Income
+135% vs state ZIP avg
$106,219
Per Capita Income
5.5%
Poverty Rate
2.8%
Unemployment Rate
23.7 min
Mean Commute Time
How ZIP 33149 ranks among Florida ZIPs
Key Biscayne, FL household income vs. every Florida ZIP code
Median household income among 946 reporting Florida ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$181,505 Top 1% higher than 99% of 946 Florida ZIPs
Each bar is a $20K-wide band; taller bars hold more Florida ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
7,310housing units
7,310
Total Housing Units
4,945
Occupied Units
2,365
Vacant Units
2.99
Avg Household Size
Occupancy Type
$1,575,300
Median Home Value
+320% vs state ZIP avg
$3,501
Median Rent
1977
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
287
HPI Index (2000 = 100)
+187%
Total Change Since 2000
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2013. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 695 business establishments in ZIP 33149, employing approximately 3,725 people with a combined annual payroll of $223,850,000.
695
Businesses
3,725
Employees
$223.8M
Annual Payroll
16
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Professional, scientific, and technical services | 170 | 24.5% |
| Real estate and rental and leasing | 106 | 15.3% |
| Other services (except public administration) | 64 | 9.2% |
| Finance and insurance | 62 | 8.9% |
| Retail trade | 45 | 6.5% |
| Wholesale trade | 44 | 6.3% |
| Accommodation and food services | 44 | 6.3% |
| Health care and social assistance | 31 | 4.5% |
| Construction | 25 | 3.6% |
| Administrative and support and waste management and remediation services | 24 | 3.5% |
| Educational services | 22 | 3.2% |
| Arts, entertainment, and recreation | 19 | 2.7% |
| Information | 13 | 1.9% |
| Transportation and warehousing | 12 | 1.7% |
| Manufacturing | 7 | 1.0% |
| Management of companies and enterprises | 5 | 0.7% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 33149 vs 33109 →
ZIP 33149 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 33139
Miami Beach (33139)
38,613 residents
- 33133
Miami (33133)
31,926 residents
- 33145
Miami (33145)
29,758 residents
- 33130
Miami (33130)
26,108 residents
- 33131 14,917
Miami (33131)
14,917 residents
- 33129 13,833
Miami (33129)
13,833 residents
- 33149 12,389
Key Biscayne (33149)
12,389 residents
- 33132 11,165
Miami (33132)
11,165 residents
- 33128 7,562
Miami (33128)
7,562 residents
What this shows Among its immediate neighbors, ZIP 33149 ranks #7 by population - useful context the national average alone can't give.
ZIP 33149 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 33109
Miami Beach (33109)
$250,000 median income
- 33149
Key Biscayne (33149)
$181,505 median income
- 33131
Miami (33131)
$144,138 median income
- 33129
Miami (33129)
$113,367 median income
- 33132
Miami (33132)
$109,109 median income
- 33133
Miami (33133)
$103,420 median income
- 33145 $73,995
Miami (33145)
$73,995 median income
- 33139 $69,793
Miami Beach (33139)
$69,793 median income
- 33130 $61,009
Miami (33130)
$61,009 median income
What this shows By household income, ZIP 33149 ranks #2 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 33109 | Miami Beach, FL | 594 | 2.8 mi |
| 33131 | Miami, FL | 14,917 | 3.0 mi |
| 33132 | Miami, FL | 11,165 | 3.8 mi |
| 33129 | Miami, FL | 13,833 | 3.1 mi |
| 33139 | Miami Beach, FL | 38,613 | 4.2 mi |
| 33130 | Miami, FL | 26,108 | 4.0 mi |
| 33133 | Miami, FL | 31,926 | 5.1 mi |
| 33101 | Miami, FL | 0 | 4.4 mi |
| 33128 | Miami, FL | 7,562 | 4.5 mi |
| 33145 | Miami, FL | 29,758 | 5.0 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 33149, both outside FL so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (12,389 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Miami-Dade County
Related Areas
Frequently Asked Questions
What county is ZIP code 33149 in?
ZIP code 33149 (Key Biscayne) is located in Miami-Dade County, Florida. Miami-Dade County contains multiple ZIP codes, see the full list at /counties/miami-dade-fl.
What is the population of ZIP code 33149?
ZIP code 33149 in Key Biscayne, FL has a population of 12,389 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 33149?
The median household income in ZIP 33149 is $181,505, which is 138% above the national average of $76,288.
What is the average home value in ZIP 33149?
The median home value in ZIP 33149 is $1,575,300, which is 466% above the national average of $278,155.
What is the demographic makeup of ZIP 33149?
The largest racial group in ZIP 33149 is Two or More Ethnicities at 58.7%. Hispanic or Latino residents make up 70.3% of the population.
How many businesses are in ZIP code 33149?
ZIP code 33149 has 695 business establishments employing approximately 3,725 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 33149?
The top industries by establishment count in ZIP 33149 are: Professional, scientific, and technical services (170), Real estate and rental and leasing (106), Other services (except public administration) (64). There are 16 industry sectors represented in total.
What is the education level in ZIP code 33149?
In ZIP code 33149, 83.4% of residents aged 25+ have a high school diploma or higher, and 77.2% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 33149?
The mean commute time for workers in ZIP code 33149 is 23.7 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 33149?
In ZIP code 33149, approximately 66.6% of occupied housing units are owner-occupied and 33.4% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 33149?
The poverty rate in ZIP code 33149 is 5.5% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 33149's numbers, next.
- See how ZIP 33149 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Key Biscayne, FL ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.