Census tract · Miami-Dade County
Census Tract 46.05, Miami-Dade County, Florida
Census Tract 46.05, GEOID 12086004605, in Miami-Dade County, Florida, entirely within Key Biscayne. 3,718 residents in the ACS 2020-2024 5-year estimates (±610); the 2020 Census counted 4,265.
Residents, 2020-2024
3,718
±610 (90% margin)
2020 Census count: 4,265
Median household income
$152,321
±$103,310 (90% margin)
Miami-Dade County: $71,753
Median home value
$905,400
±$88,867 (90% margin)
Miami-Dade County: $463,000
Median gross rent
$3,500 or more
The survey's top or bottom value; no margin is published
Miami-Dade County: $1,829
Where is Census Tract 46.05?
Census Tract 46.05 is one of 707 census tracts in Miami-Dade County, Florida. It covers 0.13 square miles of land, 33,320 residents per square mile in 2020. Its GEOID, 12086004605, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Key Biscayne | 100% |
3 census tracts border Census Tract 46.05: Tract 46.02 ($250,000 or more), Tract 46.07 ($176,333) and Tract 9804*. The figure in brackets is each tract's median household income; * a special land-use tract (water, a park or an institution) with few or no residents.
Whether a tract counts as low- or moderate-income for bank lending (the Community Reinvestment Act) is set by the FFIEC against its metro area's family income: look it up in the FFIEC census geocoder.
Source: 2024 Gazetteer and 2020 block assignment files, U.S. Census Bureau · Census reference files
How many people live in Census Tract 46.05?
The 2020-2024 American Community Survey puts Census Tract 46.05's population at 3,718 (±610) in 1,428 households; the 2020 Census counted 4,265 residents and 2,293 housing units.
| Measure | Tract 46.05 | Key Biscayne |
|---|---|---|
| Total population | 3,718±610 | 14,791 |
| Households | 1,428±166 | 4,945 |
| Average household size | 2.60±0.33 | 2.99 |
| Housing units | 2,218±217 | 7,310 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Census Tract 46.05?
The median resident of Census Tract 46.05 is 42.9 years old; 32.3% are under 18 and 17.5% are 65 or older. The largest group is Hispanic or Latino residents (of any race) at 67.5%, then non-Hispanic white residents at 23.3%. 58.1% of residents were born outside the United States.
| Measure | Tract 46.05 | Key Biscayne |
|---|---|---|
| Median age | 42.9±3.9 | 42.2 |
| Under 18 years | 32.3%±7.0 pts | 31.8% |
| 65 years and over | 17.5%±5.5 pts | 15.7% |
| Hispanic or Latino (any race) | 67.5%±8.8 pts | 70.3% |
| White alone, not Hispanic | 23.3%±6.5 pts | 23.5% |
| Black or African American alone, not Hispanic | 0.0%±1.4 pts | 0.3% |
| Asian alone, not Hispanic | 0.4%±0.7 pts | 0.1% |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±1.4 pts | 0.0% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±1.4 pts | 0.0% |
| Two or more races, not Hispanic | 8.8%±6.9 pts | 5.7% |
| Some other race alone, not Hispanic | 0.0%±1.4 pts | 0.1% |
| Born outside the United States | 58.1%±8.6 pts | 58.1% |
| Speak a language other than English at home (age 5+) | 80.9%±8.4 pts | 80.4% |
| Civilian veterans (age 18+) | 2.6%±2.6 pts | 1.5% |
| With a disability | 6.9%±4.0 pts | 5.1% |
| No health insurance coverage | 1.1%±1.3 pts | 1.8% |
| High school graduate or higher (age 25+) | 95.8%±3.4 pts | 96.1% |
| Bachelor's degree or higher (age 25+) | 79.3%±7.6 pts | 77.2% |
| Graduate or professional degree (age 25+) | 57.9%±8.0 pts | 42.2% |
| Lived in the same house a year earlier | 90.8%±5.5 pts | 82.8% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Census Tract 46.05 earn?
The median household income for Census Tract 46.05 is published as $152,321 with a margin of ±$103,310, too wide to rely on.
| Measure | Tract 46.05 | Key Biscayne |
|---|---|---|
| Median household income | $152,321±$103,310 | $181,505 |
| Mean household income | $249,089±$42,067 | $309,291 |
| Per capita income | $98,054±$12,094 | $106,219 |
| People below the poverty line | 5.5%±4.3 pts | 5.5% |
| Children under 18 below the poverty line | 4.2%±5.7 pts | 4.0% |
| Households receiving SNAP | 0.0%±3.6 pts | 1.1% |
| Households with a computer | 95.5%±4.7 pts | 98.4% |
| Households with a broadband subscription | 89.3%±6.0 pts | 92.6% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Census Tract 46.05?
Owners occupy 74.2% of Census Tract 46.05's occupied homes and renters 25.8%. The median owner-occupied home is valued at $905,400 by its owner (±$88,867). The median renter pays $3,500 or more a month including utilities, and 76.2% of renters pay 35% or more of their income on rent.
| Measure | Tract 46.05 | Key Biscayne |
|---|---|---|
| Median home value (owner-occupied) | $905,400±$88,867 | $1,575,300 |
| Median gross rent | $3,500 or more | $3,500 or more |
| Renters paying 35% or more of income on rent | 76.2%±12.9 pts | 51.3% |
| Median monthly owner costs, with a mortgage | $4,000 or more | $4,000 or more |
| Owner-occupied homes | 74.2%±8.5 pts | 66.6% |
| Renter-occupied homes | 25.8%±8.5 pts | 33.4% |
| Housing units | 2,218±217 | 7,310 |
| Single-family detached homes | 2.0%±2.0 pts | 18.6% |
| Mobile homes | 1.9%±1.9 pts | 0.6% |
| Built 2020 or later | 0.0%±2.3 pts | 0.4% |
| Built 2010 to 2019 | 0.0%±2.3 pts | 4.5% |
| Built 1939 or earlier | 0.0%±2.3 pts | 0.4% |
| Households with no vehicle | 5.3%±4.5 pts | 2.8% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How do people in Census Tract 46.05 get to work?
50.8% of Census Tract 46.05's workers drive alone and 34.7% work from home. The average trip to work takes 21.9 minutes.
| Measure | Tract 46.05 | Key Biscayne |
|---|---|---|
| In the labor force (age 16+) | 58.1%±6.6 pts | 60.7% |
| Unemployment rate | 4.9%±3.8 pts | 2.8% |
| Drove alone to work | 50.8%±10.3 pts | 51.2% |
| Carpooled | 6.0%±3.9 pts | 5.4% |
| Public transportation | 1.5%±2.0 pts | 1.9% |
| Walked | 0.6%±0.9 pts | 2.0% |
| Worked from home | 34.7%±10.6 pts | 34.6% |
| Mean travel time to work | 21.9 min±3.8 | 23.7 min |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
How does Census Tract 46.05 compare with the other tracts in Miami-Dade County?
Among Miami-Dade County's tracts with a reliable estimate, Census Tract 46.05 ranks as shown below (1 = highest).
| Measure | In Miami-Dade County | In Key Biscayne |
|---|---|---|
| Population | 375th of 697 | 3rd of 4 |
| Residents per square mile | 35th of 706 | 1st of 4 |
| Per capita income | 43rd of 695 | 3rd of 4 |
| Median home value | 44th of 650 | 3rd of 4 |
| Median gross rent | 1st of 641 | 1st of 4 |
| Bachelor's degree or higher | 25th of 680 | 2nd of 4 |
| Median age | 310th of 696 | 2nd of 4 |
| Owner-occupied share | 199th of 661 | 2nd of 4 |
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · How ranks are computed
How reliable are the figures for Census Tract 46.05?
4 of the 18 figures for Census Tract 46.05 on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
A census tract's figures rest on a few hundred sampled households over five years, so its margins are wider than a city's. Two tracts differ only when the gap between them is larger than their combined 90% margin (the square root of the sum of the two squared margins). How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · Check it at data.census.gov
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections