Residential delivery area · Florida
ZIP Code 33149: Key Biscayne, FL
ZIP code 33149 uses the postal name Key Biscayne, Florida and lies entirely in Miami-Dade County (Census 2020 ZIP-county file). About 15,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $181,505 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Miami (27%) and Key Biscayne (27%); 47% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2013
- ZBP2023
- IRS2022
- Town
- Key Biscayne · its only residential ZIP
- County
- Miami-Dade County
- Census places
- Miami (27%); Key Biscayne (27%)
- Metro area
- Miami-Fort Lauderdale-West Palm Beach, FL
- House district
- FL-27 119th Congress
- State
- Florida
- Time zone
- Eastern
- Land area
- 4.7 sq mi · 3,141 people per sq mi
Where is ZIP code 33149?
33149 centers on 25.714°, -80.164° and covers 4.7 square miles of land plus 9.4 of water. It borders 4 ZIP codes: 33129, 33131, 33109, 33132.
The map draws ZIP code areas only. For the streets inside 33149, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 33149 compare with the rest of Miami-Dade County?
| Measure | 33149 | In Miami-Dade County | In FL |
|---|---|---|---|
| People (ACS 2020-2024) | 14,791 | 69th of 81 | 604th of 1,013 |
| Median household income | $182k | 3rd of 74 | 3rd of 819 |
| Median home value | $1.58M | 3rd of 76 | 4th of 833 |
Its median household income is higher than in 98% of U.S. residential ZIP codes, and it is denser than 89% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 33149?
The 2020 Census counted 14,847 people in 33149; the ACS, which samples households over 2020-2024, estimates 14,791. Between the 2010 and 2020 censuses its population grew 19.8% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 14,791
- 2020 Census count
- 14,847+19.8% since 2010 (12,389)
- Households
- 4,945
- Median age
- 42.2
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 33149?
Of the 14,791 people the ACS estimates in 33149, 31.8% are under 18 and 15.7% are 65 or older. The largest group by race and Hispanic origin is Hispanic or Latino (70.3%), then White (not Hispanic) (23.5%).
- Under 1831.8%
- 18 to 6452.5%
- 65 and older15.7%
- Hispanic or Latino70.3%
- White, not Hispanic23.5%
- Other or two or more5.8%
- Black, not Hispanic0.3%
- Asian, not Hispanic0.1%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 33149 earn?
Median household income is $181,505 (ACS 2020-2024), the 3rd highest of the 74 ranked ZIP codes in Miami-Dade County. It is not measurably different from 2015-2019 ($185,509 in 2024 dollars): the change is within the surveys' margins of error.
By IRS adjusted gross income per tax return ($513,120, 2022), 33149 ranks 96th in the U.S. among ZIP codes of 1,000+ people with 200+ returns and at most 1.5 returns per household (see the ranking).
- Median household income
- $181,505±$39,472
- Income per person
- $106,219
- Below the poverty line
- 5.5%
- Unemployed (of the labor force)
- 2.8%
- Adults 25+ with a bachelor's degree
- 77.2%
- Adjusted gross income per tax return, 2022
- $513,1206,390 returns; wages 40% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 33149?
- Median home value (owners' estimate)
- $1,575,300
- Median gross rent
- $3,500 or more
- Homes owned by their occupants
- 66.6%
- Housing units
- 7,310
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 33149?
695 business establishments had a location in this ZIP code in 2023, 80 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services170
- Real estate and rental and leasing106
- Other services (except public administration)64
- Finance and insurance62
- Retail trade45
- Wholesale trade44
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 33149?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 33129 | Miami | 14,702 | $113k | 3.5 mi |
| 33131 | Miami | 23,095 | $144k | 3.8 mi |
| 33109 | Miami Beach | 1,083 | $250k+ | 3.8 mi |
| 33132 | Miami | 20,253 | $109k | 4.3 mi |
| 33130 | Miami | 34,964 | $61k | 4.5 mi (near) |
| 33133 | Miami | 36,789 | $103k | 4.5 mi (near) |
| 33139 | Miami Beach | 33,753 | $70k | 4.6 mi (near) |
| 33128 | Miami | 9,475 | $43k | 5.0 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.