Demographics & People — Key Biscayne, Florida
Population Overview
| Population (Census) | 14,560 |
| Estimated 2026 | ~15,300 |
| Median Age | 42.2 |
| Total Households | 4,985 |
| Family Households | 3,811 |
| Average Household Size | 2.92 |
| Diversity Index | 0.4832 (moderately diverse) |
Race & Ethnicity
| White | 6,600 |
| Black or African American | 140 |
| Asian | 32 |
| Hispanic or Latino | 10,603 |
Heritage & Ancestry
| Group | Count |
| Hispanic: Hispanic or Latino | 10,932 |
| Other groups | 10,072 |
| Hispanic: South American | 5,908 |
| Hispanic: Colombian | 1,879 |
| Hispanic: Argentinean | 1,840 |
| Hispanic: Cuban | 1,673 |
| Unclassified or not reported | 1,387 |
| Hispanic: Other Hispanic or Latino | 1,387 |
| Hispanic: Spaniard | 1,129 |
| Italian | 1,111 |
Language
| English Only | 2,372 |
| Spanish | 9,951 |
| Population 5+ | 13,786 |
Veterans
| Veterans | 146 |
| Population 18+ | 9,990 |
Commuting
| Mean Commute Time | 23.7 minutes |
| Work from Home | 34.6% |
| Commuter Profile | N/A |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Key Biscayne, Florida.