Key West, Florida

Key West population, 2020 to 2024

Key West lost 1,120 residents from July 2020 to July 2024, a change of -4.2%. In the latest year it moved by -77. Among 229 Florida places of 5,000 or more, that growth ranks 228th; the median place changed by +4.8%. The median place of 5,000+ in Florida has 21,954 people, so Key West is 1.1 times that size.

Key West covers 5.60 square miles of land and 1.61 of water, for 4,507 people per square mile of land. The median Florida place of 5,000+ has 2,498, so Key West is denser than the typical town.

What county Key West is in

All of Key West's residents live in Monroe County, which had 80,908 residents in 2024. Key West holds 31.2% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Key West

1 ZIP Code Tabulation Area (ZCTA) overlaps Key West by at least 10% of the ZCTA's or the city's land: 33040. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Key West is

The Census internal point of Key West is at 24.565100, -81.775500. Tallahassee, the capital, is 433.8 miles NNW in a straight line. The nearest larger place is Homestead, FL (85,796 people), 104.1 miles away. The nearest city of 100,000 or more is Miami, FL, 128.8 miles away.

Daylight in Key West

At 24.57° N, Key West gets about 13 h 40 min of daylight around the June solstice and 10 h 37 min around the December solstice, a swing of 3 h 03 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Key West

The eight nearest incorporated places of 1,000+ in Florida, measured between internal points. The closest is Marathon, 48.5 miles away, with 10,039 people.