People QuickFacts Key Biscayne Florida Population, 2011 estimate 12,637 19,082,262 Population, 2010 (April 1) estimates base 12,344 18,802,690 Population, percent change, April 1, 2010 to July 1, 2011 2.4% 1.5% Population, 2010 12,344 18,801,310 Persons under 5 years, percent, 2010 6.7% 5.7% Persons under 18 years, percent, 2010 28.2% 21.3% Persons 65 years and over, percent, 2010 17.4% 17.3% Female persons, percent, 2010 53.6% 51.1%  White persons, percent, 2010 (a) 96.2% 75.0% Black persons, percent, 2010 (a) 0.4% 16.0% American Indian and Alaska Native persons, percent, 2010 (a) 0.1% 0.4% Asian persons, percent, 2010 (a) 1.1% 2.4% Native Hawaiian and Other Pacific Islander, percent, 2010 (a) 0.0% 0.1% Persons reporting two or more races, percent, 2010 1.2% 2.5% Persons of Hispanic or Latino origin, percent, 2010 (b) 61.6% 22.5% White persons not Hispanic, percent, 2010 36.5% 57.9%  Living in same house 1 year & over, percent, 2007-2011 85.0% 83.5% Foreign born persons, percent, 2007-2011 46.3% 19.2% Language other than English spoken at home, percent age 5+, 2007-2011 74.1% 27.0% High school graduate or higher, percent of persons age 25+, 2007-2011 97.9% 85.5% Bachelor's degree or higher, percent of persons age 25+, 2007-2011 75.2% 26.0% Veterans, 2007-2011 613 1,637,466 Mean travel time to work (minutes), workers age 16+, 2007-2011 22.2 25.7  Housing units, 2010 7,072 8,989,580 Homeownership rate, 2007-2011 76.0% 69.0% Housing units in multi-unit structures, percent, 2007-2011 75.9% 29.9% Median value of owner-occupied housing units, 2007-2011 $822,700 $188,600 Households, 2007-2011 4,374 7,140,096 Persons per household, 2007-2011 2.78 2.56 Per capita money income in the past 12 months (2011 dollars), 2007-2011 $69,967 $26,733 Median household income, 2007-2011 $114,250 $47,827 Persons below poverty level, percent, 2007-2011 5.8% 14.7%     Business QuickFacts Key Biscayne Florida Total number of firms, 2007 1,941 2,009,589 Black-owned firms, percent, 2007 S 9.0% American Indian- and Alaska Native-owned firms, percent, 2007 F 0.5% Asian-owned firms, percent, 2007 2.3% 3.2% Native Hawaiian and Other Pacific Islander-owned firms, percent, 2007 F 0.1% Hispanic-owned firms, percent, 2007 58.2% 22.4% Women-owned firms, percent, 2007 30.8% 28.9%  Manufacturers shipments, 2007 ($1000) NA 104,832,907 Merchant wholesaler sales, 2007 ($1000) 192,579 221,641,518 Retail sales, 2007 ($1000) 97,648 262,341,127 Retail sales per capita, 2007 $9,790 $14,353 Accommodation and food services sales, 2007 ($1000) 101,725 41,922,059     Geography QuickFacts Key Biscayne Florida Land area in square miles, 2010 1.23 53,624.76 Persons per square mile, 2010 10,068.5 350.6 FIPS Code 36300 12 Counties Miami-Dade County (a) Includes persons reporting only one race. (b) Hispanics may be of any race, so also are included in applicable race categories. FN: Footnote on this item for this area in place of data NA: Not available D: Suppressed to avoid disclosure of confidential information X: Not applicable S: Suppressed; does not meet publication standards Z: Value greater than zero but less than half unit of measure shown F: Fewer than 100 firms Source: US Census Bureau State & County QuickFacts