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Key West city, Florida

Official LSAD Designation: Key West city • Census GEOID: 1236550 • Monroe County

Demographics & Population Profile

Population and demographics for Key West city.

Demographic Variable Estimate / Count Margin of Error Period Source
Total Population (2025 PEP Estimate) 24,999 — 2025 Census
Median Age 46.1 yrs ±2.2 2020-2024 Census ACS 5-Year 2024
Total Households 10,775 ±548 2020-2024 Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).