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What county in Florida has the most senior citizens?

Florida has the largest share of residents over 65 of any U.S. state, but when asking what county in Florida has the most senior citizens, the answer depends on whether you mean total number or percentage. While Miami-Dade has the largest total population of older adults, Sumter County has the highest percentage by far, largely due to a specific well-known retirement community. Understanding this distinction is key to grasping Florida's aging demographic landscape.