
Key West
- County:
- Monroe County
- County Seat:
- Yes
- Area (mi²):
- 5.599
- State:
- Florida
Key West is a city located in Monroe County, Florida. Key West has a 2025 population of 24,265. It is also the county seat of Monroe County. Key West is currently declining at a rate of -1.7% annually and its population has decreased by -7.95% since the most recent census, which recorded a population of 26,360 in 2020.
The average household income in Key West is $129,761 with a poverty rate of 11.08%. The median age in Key West is 46.5 years: 46 years for males, and 47.1 years for females.