Is it because Florida is old?

Florida's COVID death rate compared to the average of the 10 other states* with the highest percentage of residents 65 years and over.

* Florida is second only to Maine in the highest percentage of residents 65 years and older. The others: West Virginia, Vermont, Delaware, Montana, Pennsylvania, Hawaii, New Hampshire, South Carolina and Oregon.
Chart: Tampa Bay Times Source: CDC COVID Tracker; U.S. Census